# Cottbus vs Mein OSL

The clearest difference is iOS requirement: Cottbus at 13.0 against Mein OSL's 15.1. On price, update cadence, 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.

Cottbus ships an update every 3 months, Mein OSL every 5 months. Both last shipped on October 30, 2026.

## The numbers

| Metric | Cottbus | Mein OSL |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Size | 22 MB | 67 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [hyperworx](https://appshunter.io/developer/404150106) | [Landkreis Oberspreewald-Lausitz](https://appshunter.io/developer/1832427249) |

## What reviewers say

### Cottbus

[App page](https://appshunter.io/ios/app/cottbus/id449900802)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mein OSL

[App page](https://appshunter.io/ios/app/mein-osl/id6749845292)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cottbus free?

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

### Is Mein OSL free?

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

### Do Cottbus or Mein OSL have ads?

Neither Cottbus nor Mein OSL shows ads.

### Which is updated more often, Cottbus or Mein OSL?

Cottbus ships an update every 3 months, and Mein OSL every 5 months. Most recently, Cottbus was updated on October 30, 2026 and Mein OSL on October 30, 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.*