# MOU EDU vs ČRS

The clearest difference is ads: MOU EDU at none against ČRS's shown. ČRS's advantage is iOS requirement (15.0 vs 26.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

MOU EDU ships an update every 3 months, ČRS every 2 months. The most recent releases landed on October 3, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | MOU EDU | ČRS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 20 MB | 21 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [C4P s.r.o.](https://appshunter.io/developer/837625994) | [Trilobite Technologies, s.r.o.](https://appshunter.io/developer/1106306899) |

## What reviewers say

### MOU EDU

[App page](https://appshunter.io/ios/app/mou-edu/id1532667853)

**Features:** Vision Pro support

**In-app purchases:** none


### ČRS

[App page](https://appshunter.io/ios/app/crs/id6748644426)

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

**In-app purchases:** none


## Frequently asked questions

### Is MOU EDU free?

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

### Is ČRS free?

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

### Do MOU EDU or ČRS have ads?

ČRS shows ads; MOU EDU does not.

### Which is updated more often, MOU EDU or ČRS?

MOU EDU ships an update every 3 months, and ČRS every 2 months. Most recently, MOU EDU was updated on October 3, 2026 and ČRS on October 4, 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.*