# Quantum vs Penguin Rotation Puzzle

The clearest difference is ads: Quantum at none against Penguin Rotation Puzzle's shown. Quantum also leads on update cadence (every 4 days vs every 3 weeks). Penguin Rotation Puzzle's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.6). On price 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.

Quantum ships an update every 4 days, Penguin Rotation Puzzle every 3 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | Quantum | Penguin Rotation Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Size | 1 MB | 103 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Celal Can Sagnak](https://appshunter.io/developer/1865753496) | [shuichi kimura](https://appshunter.io/developer/1679703417) |

## What reviewers say

### Quantum

[App page](https://appshunter.io/ios/app/quantum-cat/id6759192936)

**Features:** macOS Compatibility

**In-app purchases:** none


### Penguin Rotation Puzzle

[App page](https://appshunter.io/ios/app/penguin-rotation-puzzle/id6760582772)

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

**In-app purchases:** none


## Frequently asked questions

### Is Quantum free?

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

### Is Penguin Rotation Puzzle free?

Penguin Rotation Puzzle is free to download, with no in-app purchases.

### Do Quantum or Penguin Rotation Puzzle have ads?

Penguin Rotation Puzzle shows ads; Quantum does not.

### Which is updated more often, Quantum or Penguin Rotation Puzzle?

Quantum ships an update every 4 days, and Penguin Rotation Puzzle every 3 weeks. Most recently, Quantum was updated on October 31, 2026 and Penguin Rotation Puzzle on October 31, 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.*