# RettApp vs UMmedis

The clearest difference is update cadence: UMmedis at every 2 months against RettApp's every 6 months. RettApp's advantage is iOS requirement (11.0 vs 15.6). On price, ads, 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.

RettApp ships an update every 6 months, UMmedis every 2 months. The most recent releases landed on October 8, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | RettApp | UMmedis |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Size | 44 MB | 22 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Aljoscha Otten](https://appshunter.io/developer/1742144969) | [University Medical Center Mainz](https://appshunter.io/developer/1296583438) |

## What reviewers say

### RettApp

[App page](https://appshunter.io/ios/app/rettapp-ev/id1031171079)

**Features:** macOS Compatibility

**In-app purchases:** none


### UMmedis

[App page](https://appshunter.io/ios/app/ummedis/id1535936099)

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

**In-app purchases:** none


## Frequently asked questions

### Is RettApp free?

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

### Is UMmedis free?

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

### Do RettApp or UMmedis have ads?

Neither RettApp nor UMmedis shows ads.

### Which is updated more often, RettApp or UMmedis?

RettApp ships an update every 6 months, and UMmedis every 2 months. Most recently, RettApp was updated on October 8, 2026 and UMmedis on October 17, 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.*