# Decodoku vs Moonkeeper

The clearest difference is ads: Decodoku at none against Moonkeeper's shown. Decodoku also leads on iOS requirement (8.0 vs 15.0). On price, 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.

## The numbers

| Metric | Decodoku | Moonkeeper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/decodoku/id1093080064/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | — |
| Monetization | Free | — |
| Size | 52 MB | 86 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [James Robin Wootton](https://appshunter.io/developer/1093080063) | [CHARAFA BOUKHALFA](https://appshunter.io/developer/1561258175) |

## What reviewers say

### Decodoku

[App page](https://appshunter.io/ios/app/decodoku/id1093080064)

Engage in a unique puzzle game that doubles as a tool for scientific research in quantum error correction. Solve complex challenges to help advance the development of real-life quantum computers. Explore the science behind the game on the developer's website.

**Highlights:** Quantum puzzle gameplay, Scientific research tool, Quantum error correction, Advance quantum computing, Educational science content

**In-app purchases:** none


### Moonkeeper

[App page](https://appshunter.io/ios/app/moonkeeper-physics-puzzle/id6817043191)

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

**In-app purchases:** none


## Frequently asked questions

### Is Decodoku free?

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

### Is Moonkeeper free?

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

### Do Decodoku or Moonkeeper have ads?

Moonkeeper shows ads; Decodoku does not.

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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.*