# Simul'Impôt vs Patfi

The clearest difference is update cadence: Patfi at weekly against Simul'Impôt's every 7 months. Patfi also leads on device support (5 vs 3). Simul'Impôt's advantage is iOS requirement (13.0 vs 26.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Simul'Impôt ships an update every 7 months, Patfi weekly. The most recent releases landed on June 5, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | Simul'Impôt | Patfi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/simulimpot/id440200931/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Weekly** |
| Monetization | Free | — |
| Size | 17 MB | 11 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Patrick BODET](https://appshunter.io/developer/440200934) | [Mathieu Vandeginste](https://appshunter.io/developer/1522204200) |

## What reviewers say

### Simul'Impôt

[App page](https://appshunter.io/ios/app/simulimpot/id440200931)

Estimate your income tax based on last year's earnings. Supports various income types, including salaries, independent work, savings, and real estate. Includes tax reductions and credits, with iCloud backup for simulations and fiscal news updates.

**Highlights:** Income tax estimation, Supports multiple income sources, Calculates tax reductions/credits, iCloud Drive backup, Fiscal news reader, Push notifications for updates

**Features:** macOS Compatibility

**In-app purchases:** none


### Patfi

[App page](https://appshunter.io/ios/app/patfi/id6753033441)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Simul'Impôt free?

Simul'Impôt is free to download, with no in-app purchases.

### Is Patfi free?

Patfi is free to download, with no in-app purchases.

### Do Simul'Impôt or Patfi have ads?

Neither Simul'Impôt nor Patfi shows ads.

### Which is updated more often, Simul'Impôt or Patfi?

Simul'Impôt ships an update every 7 months, and Patfi weekly. Most recently, Simul'Impôt was updated on June 5, 2026 and Patfi on September 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*