# Simul'Impôt Lite vs OPTRA Expertise

The clearest difference is in-app purchases: OPTRA Expertise at none against Simul'Impôt Lite's 1. Simul'Impôt Lite's advantage is update cadence (every 7 months vs every 21 months). On price, ads, device support and iOS requirement there is nothing between them.

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

Simul'Impôt Lite ships an update every 7 months, OPTRA Expertise every 21 months. The most recent releases landed on September 30, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Simul'Impôt Lite | OPTRA Expertise |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 21 months |
| Size | 20 MB | 48 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Patrick BODET](https://appshunter.io/developer/440200934) | [NETexcom Groupe Informatique](https://appshunter.io/developer/443370310) |

## 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 |


### OPTRA Expertise

[App page](https://appshunter.io/ios/app/optra-expertise-comptable/id1323003996)

**Features:** macOS Compatibility

**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 OPTRA Expertise free?

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

### Do Simul'Impôt Lite or OPTRA Expertise have ads?

Neither Simul'Impôt Lite nor OPTRA Expertise shows ads.

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

Simul'Impôt Lite ships an update every 7 months, and OPTRA Expertise every 21 months. Most recently, Simul'Impôt Lite was updated on September 30, 2026 and OPTRA Expertise on October 12, 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.*