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Create your software with AI. Find your bearings.
Our choices and opinions, and more: practical help for launching a product without a technical background. Written plainly.
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159 articles
GitHub Universe 2026 opens today: what business owners should take away
GitHub Universe 2026 opens tonight in San Francisco. This article precedes the first announcement: it reports nothing and offers a framework. Three questions for the keynote, and what a noncoding business owner can ignore without loss.
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Free applications: the trap in the word, from Replit Free Mode to free credits
Almost every publisher lets you create an application for free. The trap closes later: one free offer builds but cannot publish, another is an option within a paid subscription, another uses credits without a displayed exchange rate.
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Off-peak AI API pricing: have software coded overnight for half the price
An AI provider introduced off-peak rates at half daytime pricing. The idea turns a budget question into an organisational one: which project tasks can wait overnight, and which block you until complete?
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Custom software for a small municipality: tracking residents’ requests
Four publishers share town-hall software and none displays prices. Meanwhile residents' requests, the village hall, and the cemetery are tracked in a binder. What the state requires, what it leaves free, and how a municipality decides.
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User stories explained simply: how to divide a product into steps
You may have been told your project will be divided into 'user stories'. The term belongs to developers and hides an idea you already practise when commissioning work: describe a step by what can be verified at the end.
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FlutterFlow or Bubble in 2026: one exports code from $39, the other keeps everything
FlutterFlow or Bubble: the comparison depends little on features and heavily on the exit. One lets you download application code from its first paid tier. The other's documentation says leaving is impossible.
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SecNumCloud: business data hosting rules tightened in 2026
An August 2026 order revised the framework for hosts handling sensitive data. Qualification replaces the sales promise. For a business owner, the question is where software data lives and who can prove it in writing.
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Custom recruitment agency software: talent pools, interviews, fees
Of four recruitment tools examined, three refuse to display a price. The fourth shows €245 on a third-party listing without a known unit. An independent agency sells a talent pool, not an advert, and that is what no market tool models its way.
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How to write an application brief: the perfect brief does not exist, start messy
A brief's blank page blocks more projects than the budget. A disorganised twenty-minute draft is enough to start, provided someone then asks the questions you missed and returns a clean document for your signature.
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Freelance developer day rates in 2026: the surveys and what a day buys
Two source-accessible surveys give median freelance developer rates between €454 and €520 daily in 2026, with a €580 upper quartile. What the numbers cover, what they hide, and what a day buys in practice.
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The August 2026 GitHub outage: 2.9 billion code contributions per month
GitHub was unavailable almost eight hours on August 17, 2026 and three days later published the figure explaining it: monthly code submissions had doubled since April. What that wave changes for anyone having software built.
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French wedding planner software: timelines, suppliers, and deposits
The industry's tools are American, billed per event or month, and none understands the French arrhes deposit. Managing a wedding can live in a tool that stays with you. What can be replaced, what never will be, and at what price.
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Zero clients in six months: why SMEs reject custom development
A provider contacted around 1,500 companies in six months and got four meetings, all lost when price and timeline entered the conversation. SMEs' refusal is explained by two numbers, and one just changed.
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Cursor vs Windsurf: the latter is now Devin Desktop, and the question has changed
Searching 'Cursor vs Windsurf' in 2026 leads to an outdated comparison: Windsurf changed names through an automatic update in June 2026, and its old pricing page redirects. What remains to compare, and what neither does for you.
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Anonymous error reporting: what we see of failures, never of your projects
An application reporting failures inevitably learns something about you. We detail the six pieces of information Maestro sends when a screen breaks, what never leaves your Mac, and the two times those records helped us.
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Custom software for makers selling online, against Etsy's 6.5%
On Etsy, a €60 piece of jewellery loses over 12% to fees before any advertising. Those percentages buy an audience no homemade tool creates. Your own software changes the back office: production, materials, cost price, parcels.
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Exposed API keys in an AI-built application: what an auditor sees
An application delivered in three days welcomes its first users and everything seems to work. An auditor opens it and checks the same three places. What they find, why the demo hides it, and what a business owner can require without reading code.
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Emergent review 2026: the autonomous agent targeting France, and the autonomy argument
Emergent builds an entire application while you watch, claims half a million applications created in France, and sells autonomy as its advantage. What it does better than us, and the three missing pages.
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Documenting software's business rules: extract them before it is too late
The value in your software is the years spent deciding how things work in your business. Those decisions live in two heads and code nobody rereads. Put them in French, and understand why the document outlives the code.
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Custom management software for caterers: quotes, recipe cost sheets, and routes
Restaurant tills know how to serve a counter. They know nothing of a 180-cover wedding forty kilometres away: quotes costed from recipes, loading lists, and temperature records that must survive transport. That is where the tool is missing.
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Software migration without interruption: rebuilding in parallel, week by week
An uninterrupted software migration is not decided at six on a Monday morning. It unfolds over weeks, keeping the old tool alive while the new one is built alongside it, with a period maintaining both. Here is the week-by-week plan.
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Building an application with ChatGPT: what you get and what is missing
Building an application with ChatGPT works up to an identifiable point. What the conversation provides, what OpenAI's coding agent adds, what it costs, and the three things it will not do for you.
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Paying a subscription for a project you no longer use: dormant applications
Five unpublished applications, four untouched for weeks, and a counter still running. What an unopened project costs, what that spending buys, and when it stops buying anything.
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Custom management software for wine merchants: vintages, allocations, loyalty
Market tills see references and barcodes. Wine merchants live with vintages, batches, allocations, and clients to call when a cuvée arrives. What custom software covers alongside the till, and the briefing mistake that sinks a project on day one.
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Limiting an AI budget: the surprise bill now has a stop button
On August 31, Vercel introduced per-user budgets that reject requests once the limit is reached, with alerts at 50%, 75%, and 100%. A spending cap is becoming something you require, just like a password.
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Airtable and Notion as applications: the limits you discover in month six
A shared database solves in an afternoon what a software project would take weeks to build. The wall comes later, with an access rule, external guest, or bill line that has changed nature. Here are the limits as they appear.
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AI Act: transparency obligations affecting your business since August 2
Since August 2, 2026, software talking to your customers must tell them it is artificial intelligence, and its output must be marked. The regulation's heavier provisions were postponed sixteen months. Here is what applies today, with dates and sources.
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Florist management software: orders, funerals, weddings, and delivery routes
A florist's till software costs little, sometimes nothing. The costs lie in the share of every transmitted bouquet retained by the network and a paper order book because generic software does not know the difference between a funeral and a birthday.
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Recovering your online-built application's code: the shop blocked for 48 hours
A founder describes their online shop shut off for more than 48 hours over one product listing among hundreds, without explanation or recourse. The problem began when they chose a tool they could not leave, long before the block.
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Our Manus review in 2026: the autonomous agent that does everything except let you decide
A Manus review depends on what you ask it to do. For producing market research or a report overnight, the autonomous agent is the market's most versatile. For building software you will maintain for three years, the question changes.
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Behind an application dashboard: showing that a product is running
Our second tester manually moved four steps on their board because the application no longer did it. On August 26, we rebuilt how Maestro shows its work: ten workstreams, 43 defects fixed, and a lesson for every dashboard.
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Client tracking software for fitness coaches and dietitians: without per-client pricing
Coaching tools charge per client: the bill climbs as your appointment book fills. A tool of your own has room between sessions, where publishers impose their exercise libraries and food databases. What it covers, what it cannot replace, and where to start.
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Everything is green, yet it is wrong: how to check what AI built
An advertising professional who cannot code built an application in a week with more than seven hundred passing tests. The import had skipped one file in three, and the tool proposed deleting orphaned data. What green proves, and what you need to inspect yourself.
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Mobile application specification: the eight decisions it must contain
Online specification templates ask for your email and return an empty document. The eight decisions below are what a provider or agent team will ask anyway, and nobody can make them for you.
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Project scoping: an AI that asks questions is better than one that guesses
A founder sums up the problem in one sentence: without a real specification, the tool designs things its own way and they spend their time catching up. Scoping through questions solves this before the first line of code, provided someone asks them.
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Direct-sales software for farmers: orders, AMAP baskets, delivery routes
Short-supply-chain marketplaces take a percentage of sales; generic software charges a subscription. Between them, weekly orders, basket contracts, routes, and food-safety exemption counters still live in spreadsheets and text messages.
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Where is my AI application's code stored? Your tool wants to keep it too
In August 2026, Cursor became the host of the code it writes and removed the final preparation step before launching an agent. The missing step is paid for elsewhere: where your software lives stops being a neutral choice.
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Build an app with Claude Code without knowing how to code
Subscription, usage limits, interfaces without a terminal, a brief, five steps and checks: how to have Claude Code build an app when you can't code. Prices and documentation checked on October 10, 2026.
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Build a mobile application with AI without coding: what remains before publishing
Three tools now build mobile applications from written instructions, and one submits to the App Store in two clicks. What they charge, what you take when leaving, and the part of the work none of them writes.
Read the articleKeila, an iPhone app built with Maestro
Finding a kosher, vegan or vegetarian restaurant in Paris without calling three people: that's the idea behind Keila. Both the app and its website were built with Maestro. What it does, how it was made, and what's left before the App Store.
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Affordable management software for very small businesses: the gap they fall into
Software tailored to three people is not in the catalogue. On one side, a shared file that eventually becomes expensive; on the other, ERP quotes in five figures annually. What business owners report, and what has shifted between the two.
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Software for holiday cottages, campsites, and B&Bs: bookings and tourist tax
The channel manager connecting Booking and Airbnb is a purchased component; payments go through an approved institution. That leaves the pitch map, cleaning, guest dining, inspection records, and tourist tax, only distantly served by market software.
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Developer employment and artificial intelligence in 2026: juniors have disappeared
Developer vacancies are recovering in the United States, with senior roles driving 71% of the increase. For a business owner having software built, that means scarcer, more expensive profiles, and the disappearance of the junior who handled small fixes.
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Codex or Claude Code: the choice explained for someone who will never open a terminal
Two coding agents with the same entry price, two ways of counting consumption, and a French question with no answer online. What each does well, what neither requires, and why the choice should remain a setting.
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Maintaining an AI-built application: understanding what you had built
Vibe coding works until someone has to take over the application. Two accounts, one from a founder and one from a French developer, describe the same wall. What brings it down is a document you have read and approved.
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Software for independent estate agencies: mandates, viewings, follow-ups
Listing portals sell an audience, escrow accounts require a professional licence, and electronic signatures go through a third party. Between these components remain the mandate register, viewing reports, and fees per mandate, poorly served by market tools.
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When AI reads my company's documents: accuracy from 26.7% to 86%
An AI given your contracts answers confidently and gets things wrong half the time when the document is long. Mistral measured the gap between guessing and searching. That figure also explains why scoping starts with your files.
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No-code agency or freelancer: two ways to delegate, and what each leaves you
A no-code agency quotes €5,000–€15,000 for a first tool; a freelancer's median rate is €520 per day. The figures compare poorly because they buy different things. What separates them appears in month six, when you want to change a line.
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Gemini 3.7 Flash pricing: the introductory rate doubles on January 1, 2027
Google displays one price until December 31, 2026, then doubles it. The budget you set this autumn becomes wrong in January without a line of your application changing. What protects a budget is the ability to switch engines, not today's price.
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Software for independent garages: repair orders, parts, follow-ups
DGCCRF requires displayed prices, a bill above €25, and an offer of circular-economy parts. The same factsheet also says quotes and repair orders remain optional. What nobody standardises, your tool can manage your way.
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What building an application with AI really costs: $2,000, zero users
An interface designer reports spending $2,000 on vibe coding tools for almost no users, with small features costing over $10 apiece. The expense comes from everything that had to be rewritten after the first code was produced.
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v0 or Lovable: one builds a screen, the other an application, neither writes the specification
v0 excels at interfaces and fits into teams that already have review rules. Lovable puts a complete application online in an evening. Neither produces the document stating what the product must do, and that absence has a later cost.
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Mandatory electronic invoicing in 2026 and 2027: what your software must do
Since September 1, 2026, every business must be able to receive an electronic invoice. Small and medium-sized businesses must issue them from September 1, 2027. A custom tool remains legitimate for running your business, provided it connects to an approved platform instead of emailing a file.
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Veterinary clinic management software: pharmacy stock, reminders, margins
Veterinary medicine is one of the few care professions with no mandatory approved component: no carte Vitale, no Ségur track. Three official channels remain, alongside a software market charging per user and consultation volume. Here is what that leaves to build.
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Changing your website without an agency: three months for a layout fix
A business owner says every agency in town wants a monthly retainer and three months to fix their layouts. The alternative they are considering, a stranger hired through a marketplace, says a lot about the gap in the market for small changes.
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Softr or Glide: two internal tools, two ways to count users
Softr charges for builder seats and end users; Glide charges credits whose intensity you set yourself. Both turn a database into an internal application. The choice comes down to three lines: who counts, where the data lives, and what you take when you leave.
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AI assistant outage, project blocked: August 16 and what stays with you
On August 16, 2026, Claude Code was unavailable for forty-two minutes. For anyone having software built by an agent team, the question that follows matters more than the incident: depending on where your documents and code live, a provider outage takes away an evening or your whole project.
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Dental practice management software: choosing the right tools
Managing a dental practice brings together patient records, appointments, treatment quotes, billing and laboratory work. Before adding a tool, check what your existing software already covers. A comparison checklist and a fictional trial help identify the remaining need. This guide uses the French regulatory context.
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Marking AI-generated content: the December 2, 2026 obligation explained
Two AI Act obligations look alike but target different people: technical marking of generated content, due December 2, 2026 for systems already on the market, and disclosure of AI-written text, applicable since August. Here is what applies to your project.
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Rolling back your application without a developer: your product's versions
A change goes wrong and the application starts limping. Without a developer behind you, two guarantees are enough for peace of mind: see what changed, and restore yesterday's product with one action. How it works, and where it breaks.
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OpenAI DevDay 2026: what non-developers should watch, and what they can skip
OpenAI holds its DevDay tonight in San Francisco. This article appears before the keynote, so it reports none of what will be said. It offers something else: a way for a business owner having software built to interpret it, and a list of what to skip.
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Software for Qualiopi training providers: sessions, attendance, and audit evidence
Software for a training provider helps track sessions and find evidence relevant to Qualiopi, France’s quality certification. It does not award certification. Test filing, missing documents, access rights and exports on a fictional session before choosing a suite or an additional tool.
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Rebuild your application or improve it: $30,000 for an unnecessary rebuild
A provider who has delivered more than sixty applications says they have seen founders spend $30,000 rebuilding a tool they should have shut down. Three questions, asked before the first quote, determine whether to rebuild your application or improve it.
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Do you need French AI to develop an application? Mistral, Dust, and your data
Mistral has signed with Microsoft, opened European regional access, and is targeting a gigawatt of computing capacity. What remains is to understand what that sovereignty covers when AI writes your software, and where the boundary lies between what stays with you and what leaves.
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Behind an application update: a signed-out assistant no longer goes unnoticed
A tester tells us they installed their AI assistant without ever signing in. The software treated 'please sign in' as completed work. Here are the three fixes released in version 0.1.17, and the two defects we are leaving open until the next pass.
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The 2009 Access file is still running: replacing an Access database gradually
The Access database an intern wrote in 2009 has run your orders for fifteen years, and nobody dares open it anymore. Replacing it all at once is the best way to lose what it knows. Here is an exit plan that keeps it alive during the transition.
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Token prices fall, bills rise: what AI agents cost and how to count it
Gartner forecasts a more than fivefold increase in inference costs per agent workflow by 2028, while token prices collapse. The two trends go together: an agent that plans uses 5 to 30 times more tokens than a simple chatbot. Here is what to look for on your own bill.
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Management software for freelance photographers: quotes and rights licensing
Industry tools are good at delivering galleries and bill monthly in dollars. Rights agreements, release records, and deposit tracking can instead live in a local tool you own. What can be replaced, what cannot, and at what price.
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Agentic AI and personal data: who is responsible under GDPR?
In July, the CNIL published a note on agentic AI and personal data. It describes agents passing information from service to service and responsibility becoming difficult to assign. What it says, and what to retain before starting a project.
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Bolt.new review 2026: a million free tokens, a bill depending on you
Bolt.new offers a million tokens monthly, then charges what its agents consume, without internal credits or opaque conversion. The trade-off: your bill depends on how you ask, and nothing requires Plan mode.
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Check your application before launch: the 23 vulnerabilities an audit found
The final week goes into announcements, screenshots and first-customer notices. Two pre-launch security reviews, described by a commissioner and a provider, show what else the week should contain and why the list fits into five ordinary working days.
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Management software for architects: projects, drawing versions and client approvals
Archicad and Revit draw, and nothing will replace them. Surrounding tracking, fees by phase, site-visit reports and client-approved drawing versions, lives in spreadsheets or per-seat subscriptions. That is the layer custom software takes on.
Read the articleBuild an internal application for a small team
Assign decisions, handle conflicting reservations and run a pilot: a practical guide to building a shared tool with the people who will use it.
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Maestro beta: request access and prepare your first project
How to request an invitation, prepare your AI access and choose a useful first trial. A guide to exploring Maestro on Mac with a clear goal and realistic expectations.
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Choosing an AI assistant and model in Maestro
Understand assistants, models and agents, compare two options on a small task, and prepare a switch without losing your project decisions.
Read the articleSubscriptions, credits and tokens: understanding AI usage
Why do your assistant and provider show different figures? Learn to read the units, check calculations and connect the numbers to a working session.
Read the articleBuild an application: choosing between local and cloud tools
Separate four places: construction, project files, AI processing and the finished application. Compare access, costs and recovery through a practical trial.
Read the articleValidate your app idea with Margaux before building
Between an appealing idea and a confirmed problem, there is often some research to do. Prepare your observations, work on the brief with Margaux and decide what to check before building.
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A free AI assistant delivering code that did not compile: three tuning passes
We wanted a route without a subscription. We put a free assistant on our test bench, and it delivered twenty-five approved stages whose code would not launch. What three tuning passes taught us, about it and especially ourselves.
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How much does app maintenance cost?
Separate maintenance, hosting and new features. A fictional example and practical questions help you plan an annual budget.
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Human approval of AI-generated code: GitHub opens the door, off by default
Since September 1, GitHub's assistant can approve code changes rather than merely comment. The feature arrives switched off, adjustable per project, and that default says more than a speech about human oversight.
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TMS transport software for small businesses: built your way
In May 2026, a French transport professional described building his own TMS: he knows the field but lacks development skills. What routing software charges, what it leaves out and what your own tool can take over without crossing red lines.
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Why software projects fail despite requirements: silent disagreement
The document was complete, reviewed and approved by everyone. Nine months later the product launched and nobody wanted it. What these stories reveal about obtained versus real agreement, and what an approval gate must provoke.
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Base44 review 2026: acquired by Wix, and European data at $160 monthly
Base44 takes over a Salesforce or WordPress application with real data, something none of its competitors can do. But it charges for European data hosting at its highest tier, and its exit opens only one way.
Read the articleModel-provider dependence: your AI tool may lose its engine on November 12
OpenAI will cut Cursor's direct model access on November 12 for reasons unrelated to Cursor users. A development tool depends on a supplier it does not control: here is how to measure that dependence before choosing.
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Management software for artisan bakeries: batches, unsold goods and HACCP records
A compliant till remains mandatory and a homebuilt tool must never take customer payments. Everything else, planned batches, unsold goods, holiday orders and hygiene records, still lives in notebooks. That is where your own software has room.
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Per-user pricing punishes hiring: your small-business software with six people
Twenty-five dollars per user seems reasonable until the sixth hire. Then the higher tier becomes mandatory and the bill doubles. The mechanism, figures from business-owner forums and two ways out of the curve.
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School software: teacher scheduling and student tracking in your own tool
Driving, music or dance schools: compare scheduling, lesson balances and invoicing. A trial using a fictional week reveals what is missing before you build a supplementary tool.
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API key exposed in an application: an autopsy of a defect, and $600,000 at METR
A tester sent us their project because its online database refused to connect. Opening it, we saw their access key in plain text inside the application. What that costs elsewhere, and what we changed the same day.
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Replit review 2026: the market’s best scoping, and what belongs to you
Replit does one important thing better than its competitors: it has you review a work plan and gives you a yes button before code exists. What you take when leaving remains the question, and Replit answers it poorly.
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The quote is not the cost: application development budget overruns
An application budget overrun almost never comes from the hourly rate. It comes from what nobody wrote down. To the customer, the bill grows without reason; to the provider, thirty days sold become forty-five. Both describe the same thing.
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Software for independent nurses: rounds, travel allowances and fee sharing, alongside approved software
Electronic claims go through approved software, and that will not change. What remains: building rounds, sharing them between partners and locums, and counting travel allowances, an item representing 22% of nursing-care spending.
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Artificial intelligence adoption: 18% of French businesses, and who is missing
INSEE measures a tripling of artificial intelligence adoption by French businesses in two years. The overall figure hides a sharp size gap, a barrier other than price and an entire category the survey does not even examine.
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Alternative to Bubble: the wall is an access rule, not a feature
Nobody leaves a no-code platform because a button is missing. They leave when a customer asks who may see which row and the tool has no place for that rule. How to test this wall before hitting it.
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How do you describe your app idea to AI?
You know what your app should do, but not how to ask for it. Start with this reusable example, then answer a few questions to make your idea clearer without technical vocabulary.
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Plumbers and electricians: choosing software for your service calls
Prepare visits, fit in an emergency, find a job report: start with a real working day to choose your job management software.
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Security of AI-generated code: 56% success, and what you can check
Software that launches and performs its requested service can still have an open door. Veracode has measured large models' generated-code security for two years, and the rate has not moved. What the figure covers, and four requirements before publishing.
Read the articleClaude Code or Cursor: which should you choose without coding skills?
Claude Code and Cursor without coding skills: interfaces, prices, plans and checks. A practical comparison to help you choose, including where Maestro fits.
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Behind the scenes: the bell that does not shout, rebuilding an application’s notifications
Our first useful notification arrived drowned in everything requiring nothing. Five comments in one session, one simple cause, and a rebuild delivered the same day: the story of an avalanche we created ourselves.
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Sports clubs: know who is coming and find useful information
Attendance, dues and invoicing: decide what your club needs to track better. Test a partial payment and compare costs before changing tools.
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Claude Code weekly limit: understand the block and resume your work
Claude Code says you have reached a limit? Check the message, usage window and account before spending more. This guide separates quotas, credits and technical problems, then helps you resume a task within a budget you have chosen.
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How much does an MVP cost in 2026? Budgeting a first version
An MVP is a usable first version for testing your idea. Here is how to limit what you build and prepare a budget, with a fictional workshop-booking example.
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Read application requirements without a technical background
Take an example from your work and follow it through the document. Six questions help identify what is missing, what is unclear and what you can already approve.
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Hair salons: find client records and colour formulas
A client returns for the same colour, but the formula is in a notebook nobody can find. That is a useful first need for a salon tool without changing your whole booking system or till.
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Cyber Resilience Act: reporting obligations from September 11, 2026, explained
Tomorrow, the European cyber resilience regulation opens its first binding chapter: reporting exploited vulnerabilities. What the text requires, whom it applies to, and why the question changes when your software is an internal tool.
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Bubble or Lovable in 2026: which should a non-coder choose?
Both tools can help you create an app. Focus on everyday changes, expenses and what you can retrieve if you switch solutions.
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AI fixes one thing and breaks another: what should you do?
You add a phone field and the confirmation email disappears. How to describe the problem, limit the next fix and check what needs to stay unchanged.
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Restaurants: track dish costs without changing your till
A supplier raises prices and your recipe sheets are out of date. A first tool may help recalculate dish costs while keeping your till and the routines that work.
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Firebase Studio and GitHub Spark: preparing to take over your app
Firebase Studio shutting down does not mean the end of Firebase. Here are the official deadlines, the separate Spark situation and a method for locating code, data and access before changing tools.
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Custom software or SaaS: comparing the cost over five years
The cheaper option depends on the features you need, the people using the software and the work involved. A fictional five-year example compares invoices, your team’s time and the cost of switching.
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Your first application looks finished, but launch is stuck
The screens are there. Yet a forgotten password or an empty list can stop a user. Here is how to turn those “last details” into a clear work list.
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Physio or osteopath: simplify practice administration
Cover arrangements and month-end calculations can mean juggling several spreadsheets. A small tool may help track that administration without rebuilding electronic claims or moving patient records.
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Automated decisions and GDPR: €825 million for missing human approval
An automated decision depriving a driver of their account without human review: the Dutch authority, working with the CNIL, valued the failure at €824,990,000. Human approval is covered by an article of GDPR, and its absence has a price.
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Lovable pricing 2026: free plan, Pro and credit rollover
Understand the free plan, Pro pricing and credit rollover before paying. Then plan for the cost of running your application and check how to take its code with you.
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Is your customer data protected? Three initial checks
A sign-in screen is not enough to check who can see your data. Three simple trials on your own app, followed by the evidence to request from its builder.
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Solo lawyers: keep track of documents and practice tasks
A client has sent documents across several emails. You need to find what is missing before the next meeting. A focused tool can help prepare the file while keeping the services and checks your practice depends on.
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Your developer has stopped replying: where should you start?
The site still works, but you do not know who can change it. An access list, a copy of your information and a review of its condition help you prepare the next steps.
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Build an app without coding: a guide to your first project
From a need to the first real use: choose an approach, write a brief, plan costs and check the result. A complete example to help you move forward without technical vocabulary.
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Claude Fable 5.1 pricing: the reduction is in the cache, not the headline rate
Anthropic introduced Claude Fable 5.1 on September 1. The per-token rate is unchanged; rereading context falls by 75%. In practice, long building sessions that keep the same project in view for hours become the cheapest way to work.
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Application development is conducted like an orchestra
A score written before playing, sections with clear remits, a conductor holding the baton without playing an instrument: the metaphor structuring Maestro, embraced all the way to its logo.
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How long does it take to create an app in 2026?
A screen to show, a tool to try or an app used every day: the timeline depends on the result you need. Here is how to prepare a schedule you can follow.
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Why agency prices have not followed the fall in AI costs
What cost $60 per million tokens in late 2021 now costs between $0.06 and $0.40 at equivalent performance, a reduction of 150 to 1,000 times. Meanwhile, a developer's average daily rate in France remains around €629. Someone is keeping that margin.
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Moving Excel data into an app, step by step
Your app is ready to try. How do you move customers, orders and histories without losing track? A method built around a backup, a small trial and checking the results.
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AI makes experts slower: why approval must be an architecture, not a chore
The METR study measured experienced developers as 19% slower with AI, while they believed they were 20% faster. Review and verification consumed the gain. The problem is not review: it is where we put it.
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Building business software with AI: pitfalls and practical checks
From the first demo to everyday work: twelve checkpoints, a fictional workshop and examples for checking calculations, data, access, costs and recovery.
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Self-service skills: the supply chain nobody is watching
The github/spec-kit repository shows 130,054 stars a year after launch. The AI agent skills ecosystem is growing just as fast, and installing a skill on demand is becoming the new curl piped into a terminal.
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Prototype, MVP or application: when is it ready for real users?
A prototype explores an idea; an MVP tests a limited use. Before involving real users, check the complete journey and record the evidence needed to approve a pilot.
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What our beta testers broke, second pass: the silence that blocked everything
After a first real user test, 21 written comments revealed a defect invisible internally: an entire step type was handled nowhere in the engine. The chain froze silently, waiting for an answer that never came.
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Can you keep your application if you change tools?
Your customers and their appointments are already in the application. Before depending on a tool, check what you can retrieve and what you would need to continue elsewhere.
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What do our AI agent trials cost? A campaign summary
One internal campaign covered eight trials and the first set of features for each project. Here is what its $105.64 includes, and why that is not the price of an application.
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A first requirements draft in one hour, with an example
Set aside an hour for a first draft: the problem, two journeys, rules to decide and what can wait. A workshop to revisit, not a document to freeze.
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How do you check an application when you cannot code?
Two customers book the same time: what should happen? This example explains what a test is for, why to prepare it early and what you can check yourself.
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Independent professionals: which small tool could help your practice?
Your main software works, but a separate spreadsheet is still essential. That file may be the starting point for a more useful tool, provided you choose a specific need and keep your professional requirements.
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Before approving an AI proposal, what should you check?
A document can sound convincing and miss an important rule. Three things to check so your approval really matches what you need.
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Association software: track members without multiplying files
Who has paid their membership fee? Who needs a reply? Where are the last committee's decisions? A useful first tool helps volunteers find those answers and hand over their work.
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When the score falls: what our software comparisons showed
In August 2026, a newer version received a lower average score. We compared the software outputs in pairs to understand the result. Here is what that check showed, without converting the verdicts into a new score.
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No-code or AI: is learning Bubble still worthwhile in 2026?
Unsure whether to use a visual editor or build an app with AI? Bubble offers both. The choice mainly depends on how you want to change and maintain your tool.
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Therapists: choose a tool without exposing session notes
Finding information between appointments should be simple. Before building a tracking tool, decide what it holds, who can access it and how that information will be protected.
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How to choose job management software for a trade business
Keep, extend or replace your software using one realistic job: an accepted quote, a change, a phone photo and the return to the office. A sheet to compare tasks, costs and exports.
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Why we also describe failures in our AI agent tests
A good score can hide a missing feature. Two results from our internal trials show why we need to examine errors and specify what we actually measured.
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Can a team of AI agents deliver software? Our tests and their limits
Our tests covered an initial development batch. Here is what they showed, how we evaluated it and what still needed checking before real use.
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Why Maestro moved away from BMAD: our decision and test results
We replaced BMAD with our own method to organise Maestro’s steps more directly. A campaign of nine scenarios in August 2026 informed that decision without establishing a general ranking of tools.
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Vibe coding, explained with a small application
You describe a need, AI writes code and you try the result. A customer-tracking example explains what this approach offers and what you need to check.
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“Waterfall strikes back”: our response, point by point
225 points and 191 comments: the Hacker News thread accusing spec-driven development of reviving waterfall made an impression. Three precise criticisms, a quantified response, with no evasion.
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Lovable, Bolt, v0 or Maestro: which AI tool should you choose for your application?
Compare project preparation, construction, publishing and code handover. A reading of documented capabilities to help you choose for your needs, including Maestro's limitations.
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Accounting practice: find documents and track client work
A document is missing, two people have chased the same client, and nobody knows whether the file is moving forward. A small tracking tool may help without replacing your accounting software.
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Business software rebuild: planning data migration and the switch
When should you rebuild a business application? Understand the options, check the warning signs, preserve your data and test the change before switching.
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How an AI agent helps us test Maestro’s responses
A user may reply too quickly, request a correction or reverse a decision. Our test setup simulates these situations to look for blockages, within clearly defined limits.
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Replacing Excel with an app: when is it worth it?
Duplicate orders, conflicting files and errors to fix: start with what is getting in your way to choose between improving Excel, buying software or building a tool.
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Our first tester never saw the second screen. An honest account of the first days: three real defects, what they taught us, and what remains open.
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How much does an app cost in 2026? Planning your budget
Building the app is only part of the bill. A worked example and the expenses to compare for an agency, a freelancer or a project built with AI.
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Six days of testing: what we measured against BMAD
From August 5 to 10, 2026, we compared versions of our method with BMAD and then with each other. The results concern documents and an initial set of features, not complete applications delivered to customers.
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Your application’s rules are worth keeping too
A discount, a cancellation, restricted access: these decisions explain your application. Keeping them in writing makes corrections and handovers easier.
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Agency, freelancer or AI: who should build your app?
You want an app, but you do not code. Here is how to choose based on the time you can give the project and the help you will need afterwards.
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Application requirements: a guide, example and free template
A booking example to describe who uses your application, what it should do and how to check the result. Includes a free text template in French to adapt.
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Directing AI agents without coding: the decisions you make
To build a calendar or a tracking tool, you already know an essential part of the job: the need. Here is how to explain it, follow the work and check the result.
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What our ×10 measures: instruction text, not your bill
Our historical measurement compares the instruction volume of two methods. It does not mean ten times cheaper or ten times better. Here is the calculation and its scope.
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The deliberate opposite of a terminal
Why Maestro looks like a concert hall rather than a black screen: the setting is part of the product.
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Why nine agents have first names
Margaux, Victor, Salomé, Maurice, Constance, Marcel, Amélie, Félix and Léa. Names that make the work easy to follow.
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