# Rehaklinik Usedom vs EOK Challenge

The clearest difference is update cadence: EOK Challenge at weekly against Rehaklinik Usedom's every 6 weeks. 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.

Rehaklinik Usedom ships an update every 6 weeks, EOK Challenge weekly. The most recent releases landed on October 25, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Rehaklinik Usedom | EOK Challenge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Size | 58 MB | 2 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Rehaklinik Usedom Ostseebad Heringsdorf GmbH](https://appshunter.io/developer/1713710936) | [EOK Essen ohne Kohlenhydrate GmbH](https://appshunter.io/developer/1685194169) |

## What reviewers say

### Rehaklinik Usedom

[App page](https://appshunter.io/ios/app/rehaklinik-usedom/id6470453265)

**In-app purchases:** none


### EOK Challenge

[App page](https://appshunter.io/ios/app/eok-challenge/id6816933269)

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

**In-app purchases:** none


## Frequently asked questions

### Is Rehaklinik Usedom free?

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

### Is EOK Challenge free?

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

### Do Rehaklinik Usedom or EOK Challenge have ads?

Neither Rehaklinik Usedom nor EOK Challenge shows ads.

### Which is updated more often, Rehaklinik Usedom or EOK Challenge?

Rehaklinik Usedom ships an update every 6 weeks, and EOK Challenge weekly. Most recently, Rehaklinik Usedom was updated on October 25, 2026 and EOK Challenge on November 6, 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.*