# Catculus vs Rhythm Rift

The clearest difference is device support: Rhythm Rift at 3 against Catculus's 1. Rhythm Rift also leads on iOS requirement (15.1 vs 26.0). On price, 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.

## The numbers

| Metric | Catculus | Rhythm Rift |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 5 MB | 27 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [成云 郑](https://appshunter.io/developer/1499241004) | [Martin Edmaier](https://appshunter.io/developer/1799800534) |

## What reviewers say

### Catculus

[App page](https://appshunter.io/ios/app/catculus/id6755701079)

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

**In-app purchases:** none


### Rhythm Rift

[App page](https://appshunter.io/ios/app/rhythm-rift/id6755794044)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Catculus free?

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

### Is Rhythm Rift free?

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

### Do Catculus or Rhythm Rift have ads?

Neither Catculus nor Rhythm Rift shows ads.

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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.*