CAHIERAUTONOME
Back to catalogAvailable later in 2026

Real estate profitability simulator

Detecteur Studio

The Cahier Autonome for independent real estate investors. Simulate the profitability of a project, anticipate 2026 taxation, compute amortization — no cloud, no subscription, your numbers stay private.

Coming soonEUR 99at launch

On the roadmap

What Detecteur Studio will do.

  • Project simulator (purchase, rent, expenses, taxation)
  • Updated 2026 taxation (LCD Le Meur, IS 25%, doubled deficit foncier energetique)
  • Amortization (LMNP, SCI, IS)
  • Reference data per city
  • Net monthly cash-flow computation
  • Tax scenario comparison
  • PDF report export for banker or accountant
  • 100% offline, your data stays on your machine

Want to be notified the day Detecteur Studio launches? Write to us, we ll let you know. No spam, no sales follow-up.

Notify me at launch

In the meantime

The first Cahier Autonome is already available.

Invoice Studio (quotes, invoices, payments, profitability) is available today — EUR 185, one-time payment, forever.

View Invoice Studio