# FIDSUD Expert vs Lieutenant Guillaume

The clearest difference is update cadence: Lieutenant Guillaume at every 3 weeks against FIDSUD Expert's every 5 months. FIDSUD Expert's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 16.4). 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.

FIDSUD Expert ships an update every 5 months, Lieutenant Guillaume every 3 weeks. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | FIDSUD Expert | Lieutenant Guillaume |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Size | 47 MB | 94 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [NETexcom Groupe Informatique](https://appshunter.io/developer/443370310) | [Horus Software](https://appshunter.io/developer/1465252680) |

## What reviewers say

### FIDSUD Expert

[App page](https://appshunter.io/ios/app/fidsud-expert-comptable/id1066227085)

**Features:** macOS Compatibility

**In-app purchases:** none


### Lieutenant Guillaume

[App page](https://appshunter.io/ios/app/lieutenant-guillaume/id1602684780)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is FIDSUD Expert free?

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

### Is Lieutenant Guillaume free?

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

### Do FIDSUD Expert or Lieutenant Guillaume have ads?

Neither FIDSUD Expert nor Lieutenant Guillaume shows ads.

### Which is updated more often, FIDSUD Expert or Lieutenant Guillaume?

FIDSUD Expert ships an update every 5 months, and Lieutenant Guillaume every 3 weeks. Most recently, FIDSUD Expert was updated on October 29, 2026 and Lieutenant Guillaume on October 25, 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.*