# FONTEVRAUD 11 vs IMC21

The clearest difference is update cadence: IMC21 at weekly against FONTEVRAUD 11's every 50 months. FONTEVRAUD 11's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 16.0). 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.

FONTEVRAUD 11 ships an update every 50 months, IMC21 weekly. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | FONTEVRAUD 11 | IMC21 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 50 months | **Weekly** |
| Size | 65 MB | 183 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Société Française d'énergie Nucléaire](https://appshunter.io/developer/1370412401) | [vFairs LLC](https://appshunter.io/developer/1349888986) |

## What reviewers say

### FONTEVRAUD 11

[App page](https://appshunter.io/ios/app/fontevraud-11/id1637056009)

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

**In-app purchases:** none


### IMC21

[App page](https://appshunter.io/ios/app/imc21/id6759277915)

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

**In-app purchases:** none


## Frequently asked questions

### Is FONTEVRAUD 11 free?

FONTEVRAUD 11 is free to download, with no in-app purchases.

### Is IMC21 free?

IMC21 is free to download, with no in-app purchases.

### Do FONTEVRAUD 11 or IMC21 have ads?

Neither FONTEVRAUD 11 nor IMC21 shows ads.

### Which is updated more often, FONTEVRAUD 11 or IMC21?

FONTEVRAUD 11 ships an update every 50 months, and IMC21 weekly. Most recently, FONTEVRAUD 11 was updated on October 12, 2026 and IMC21 on October 24, 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.*