# Simul'Impôt Lite vs Ton Impôt

The clearest difference is in-app purchases: Ton Impôt at none against Simul'Impôt Lite's 1. Ton Impôt also leads on update cadence (every 2 days vs every 7 months). Simul'Impôt Lite's advantage is iOS requirement (13.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Simul'Impôt Lite sells 1 one-off in-app purchase. Ton Impôt asks for nothing beyond the download.

Simul'Impôt Lite ships an update every 7 months, Ton Impôt every 2 days. The most recent releases landed on September 11, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Simul'Impôt Lite | Ton Impôt |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 days** |
| Size | 20 MB | 9 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Patrick BODET](https://appshunter.io/developer/440200934) | [Scruptly](https://appshunter.io/developer/1535354482) |

## What reviewers say

### Simul'Impôt Lite

[App page](https://appshunter.io/ios/app/simulimpot-lite/id477008277)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Simul'Impôt version complète | Free | one-time |


### Ton Impôt

[App page](https://appshunter.io/ios/app/ton-impot/id6763667239)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Simul'Impôt Lite free?

Simul'Impôt Lite is free to download, with in-app purchases available.

### Is Ton Impôt free?

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

### Do Simul'Impôt Lite or Ton Impôt have ads?

Neither Simul'Impôt Lite nor Ton Impôt shows ads.

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

Simul'Impôt Lite ships an update every 7 months, and Ton Impôt every 2 days. Most recently, Simul'Impôt Lite was updated on September 11, 2026 and Ton Impôt on September 17, 2026.

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