# OSis vs Werdohl Kinder

The clearest difference is update cadence: Werdohl Kinder at every 2 months against OSis's every 11 months. 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.

OSis ships an update every 11 months, Werdohl Kinder every 2 months. The most recent releases landed on October 11, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | OSis | Werdohl Kinder |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 months** |
| Size | 15 MB | 58 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [99names communication GmbH](https://appshunter.io/developer/911803786) | [Kindertagesstaette Momo](https://appshunter.io/developer/1540750165) |

## What reviewers say

### OSis

[App page](https://appshunter.io/ios/app/osis/id1471620882)

**Features:** macOS Compatibility

**In-app purchases:** none


### Werdohl Kinder

[App page](https://appshunter.io/ios/app/werdohl-kinder/id1540750734)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is OSis free?

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

### Is Werdohl Kinder free?

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

### Do OSis or Werdohl Kinder have ads?

Neither OSis nor Werdohl Kinder shows ads.

### Which is updated more often, OSis or Werdohl Kinder?

OSis ships an update every 11 months, and Werdohl Kinder every 2 months. Most recently, OSis was updated on October 11, 2026 and Werdohl Kinder on October 3, 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.*