Journal

Journal: pricing

On this topic, 12 articles from the journal, from practical guides to behind the scenes of the product.

A restaurant kitchen at the end of service, with a recipe-costing notebook beside a prep container

September 9, 2026 · 7 min read

Custom restaurant software: ingredient costs, purchasing and schedules, without the till

A compliant till is a legal obligation and will remain so: a tool you have built must not take payments. Everything else, ingredient costs, purchasing, hygiene plans and scheduling, is currently rented as modules from vendors, two of four of whom refuse to display a price.

businesspricing
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A hand adds subscription lines on a bank statement beside a desktop calculator

September 8, 2026 · 6 min read

Custom software or SaaS: the five-year calculation, including per-user subscriptions

SaaS costs little in month one and a lot in year five, especially when billed per user. Custom software does the reverse. Here are both columns side by side, with French agencies' public prices and the maintenance line quotes leave out.

pricingcomparisons
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A notebook covered in credit calculations beside a red mug on a home-office desk at the end of the day

September 6, 2026 · 5 min read

Lovable review 2026: what $25 buys, and what you take when you leave

Pro starts at $25 per month and top-ups cost $0.30 per credit. What remains is to establish what a credit buys, what is consumed while you do nothing, and what you retrieve when you decide to leave with your application.

comparisonspricing
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A kitchen table in the evening with an open account book, calculator and still-warm cup

September 3, 2026 · 6 min read

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.

newspricing
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A man reads a stage document in Maestro, with a calendar on the wall and an alarm clock beside the computer

September 2, 2026 · 6 min read

How long does it take to create an application in 2026?

Hours, days or months for the same idea: the difference lies less in writing code than in the exchanges around it. Timelines, route by route.

pricingcomparisons
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A small, modest desk in the foreground beneath a brass lamp, with a much larger, more luxurious office glimpsed blurred through an open door

September 1, 2026 · 6 min read

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.

pricingbehind the scenesvibe coding
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A woman rereads pages annotated in red before a screen of blurred green reports, by lamplight

August 31, 2026 · 7 min read

The 5 AI development traps nobody tells you about

Drift without specifications, false green lights, opaque credits, disposable code and dependence: five documented traps encountered in our own measurement campaigns, and a safeguard for each.

vibe codingsecuritypricing
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A hand sorts receipts one by one beneath a brass lamp, beside an open account book covered in handwritten figures

August 28, 2026 · 6 min read

What does an application built by agents really cost? Our bills, line by line

Unlimited AI plans are dying, and budgets are exploding at businesses without caps. We publish our real costs: $105.64 for a complete campaign of 5 judged tasks, from brief to verified product.

pricingbehind the scenes
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A volunteer treasurer sorts her association's receipts on a table in the community room

August 26, 2026 · 6 min read

Association software: manage members, tax receipts and general meetings without a budget

The volunteer treasurer juggles four files and an email folder. You can now direct the building of a custom tool managing members, receipts and meetings for the price of a subscription, around €20 per month.

businesspricing
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A tradesperson fills in a quote notebook in pencil on a workshop bench

August 24, 2026 · 6 min read

Custom management software for tradespeople: generic SaaS or your own tool?

Obat and similar software cover construction quotes and invoices well. The question arises when your way of working outgrows their boxes. Here is the tipping point, and what each side costs.

businesscomparisonspricing
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Three orders of magnitude for application development prices: agency, freelancer and AI agents

August 18, 2026 · 7 min read

How much does application development cost in 2026: agency, freelancer or AI?

An agency charges a median €30,000, a freelancer €8,000 to €20,000, and an AI agent team a few dozen euros per month. The full picture: what each option buys, and when each remains the right choice.

pricingcomparisons
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A thoughtful founder at a café table, three empty chairs opposite him and an open notebook

July 30, 2026 · 5 min read

Agency, freelancer or AI tool: how to choose when launching your product

You have a product idea and no technical team. Three paths are available, each with its own logic; the right one depends on how much control you want to keep.

pricingcomparisons
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