You open your 2025 tax return. And the questions start piling up.

Actual expenses or the 10% allowance? Box 2OP: check it or not? How much in box 6NS? My Tax Zen turns these questions into clear, no-nonsense answers.

⚠️ FILING DEADLINE: MAY 22, 2026
Don't file blindly. Run a simulation first.

✅ WHAT THE APP DOES THAT OTHERS DON'T

🧾 Actual Expenses vs. 10% Allowance
Enter your mileage. The app applies the official mileage allowance scale to calculate your mileage reimbursement. The app compares the two options and tells you which one to choose—with the exact amount to enter in box 1AK.

📊 Arbitrage Box 2OP
Regarding your financial income and interest, the best option isn't always obvious. Instantly compare the flat tax (31.4%) and progressive tax rates, with a quantified recommendation.

💼 PER Optimization
Accurate measurement of the impact of your contributions based on your marginal tax bracket. Immediately visualize the actual tax savings generated by your retirement savings.

📋 2042 Data Entry Guide
The app tells you precisely which amounts to enter in the key boxes (1AJ, 1BJ, 6NS, 2OP…) when filing your tax return on impots.gouv.fr.

📄 Expert PDF Summary
Pre-filled boxes to copy + summary of the selected optimizations. Simply copy and paste.

🔁 Unlimited Scenarios
Compare two tax situations ("With PER" vs. "Without PER") and see the difference instantly.

🔒 100% CONFIDENTIAL & OFFLINE
Your data never leaves your phone. No account required. No server. Zero risk.

📱 FREE VERSION
✅ 2026 Income Tax Calculator (2025 Income)
✅ 2026 Tax Scale (as voted)
✅ Social Security Contributions Included
✅ Complete Family Situations
✅ 100% Offline, No Registration Required

💎 PREMIUM VERSION — €9.99/YEAR
🧾 Guide to Filling Out Form 2042
⚡ Actual Expenses, Retirement Savings Plan (PER), Flat Tax or Tax Scale Switching
🏠 Property and Rental Income
📄 Expert PDF Export
💾 Unlimited Saving

🛡️ Money-Back Guarantee — 48-Hour Google Play Guarantee

✔️ RELIABILITY
Calculation engine tested and compliant with the legislation. Official 2026 tax scale integrated. Tax credit, family quotient, tax cap — all mechanisms are calculated.

📞 contact@mesimpotszen.fr — mesimpotszen.fr

⚠️ Simulation tool. Does not replace the advice of a tax professional.