# Simul'Impôt Lite vs MyData by Exponens

The clearest difference is in-app purchases: MyData by Exponens at none against Simul'Impôt Lite's 1. MyData by Exponens also leads on update cadence (every 6 weeks vs every 7 months). Simul'Impôt Lite's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.4). On price and ads there is nothing between them.

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

Simul'Impôt Lite ships an update every 7 months, MyData by Exponens every 6 weeks. The most recent releases landed on September 30, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Simul'Impôt Lite | MyData by Exponens |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 weeks** |
| Size | 20 MB | 67 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Patrick BODET](https://appshunter.io/developer/440200934) | [MyUnisoft](https://appshunter.io/developer/1876814035) |

## 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 |


### MyData by Exponens

[App page](https://appshunter.io/ios/app/mydata-by-exponens/id1508532545)

**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 MyData by Exponens free?

MyData by Exponens is free to download, with no in-app purchases.

### Do Simul'Impôt Lite or MyData by Exponens have ads?

Neither Simul'Impôt Lite nor MyData by Exponens shows ads.

### Which is updated more often, Simul'Impôt Lite or MyData by Exponens?

Simul'Impôt Lite ships an update every 7 months, and MyData by Exponens every 6 weeks. Most recently, Simul'Impôt Lite was updated on September 30, 2026 and MyData by Exponens on October 14, 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.*