# CS vs Roonmatrix

The clearest difference is update cadence: Roonmatrix at every 2 weeks against CS's every 2 months. Roonmatrix also leads on iOS requirement (12.0 vs 16.6). 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.

CS ships an update every 2 months, Roonmatrix every 2 weeks. The most recent releases landed on October 26, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | CS | Roonmatrix |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 3 MB | 34 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Computer Steiner GmbH](https://appshunter.io/developer/931448911) | [Stephan Wilhelm](https://appshunter.io/developer/1763046216) |

## What reviewers say

### CS

[App page](https://appshunter.io/ios/app/cs-bus/id931448912)

**Features:** Vision Pro support

**In-app purchases:** none


### Roonmatrix

[App page](https://appshunter.io/ios/app/roonmatrix/id6636547766)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CS free?

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

### Is Roonmatrix free?

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

### Do CS or Roonmatrix have ads?

Neither CS nor Roonmatrix shows ads.

### Which is updated more often, CS or Roonmatrix?

CS ships an update every 2 months, and Roonmatrix every 2 weeks. Most recently, CS was updated on October 26, 2026 and Roonmatrix on October 18, 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.*