# Decodoku vs Quantum Fusion

The clearest difference is in-app purchases: Decodoku at none against Quantum Fusion's 1. Decodoku also leads on device support (3 vs 1) and iOS requirement (8.0 vs 16.0). On price and ads there is nothing between them.

Both are free to download. Quantum Fusion sells 1 one-off in-app purchase. Decodoku asks for nothing beyond the download.

## The numbers

| Metric | Decodoku | Quantum Fusion |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free | — |
| Size | 52 MB | 66 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [James Robin Wootton](https://appshunter.io/developer/1093080063) | [Andrei Poriadin](https://appshunter.io/developer/1777189715) |

## 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


### Quantum Fusion

[App page](https://appshunter.io/ios/app/quantum-fusion/id6785632097)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock unlimited undo | $3.99 | one-time |


## Frequently asked questions

### Is Decodoku free?

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

### Is Quantum Fusion free?

Quantum Fusion is free to download, with in-app purchases available.

### Do Decodoku or Quantum Fusion have ads?

Neither Decodoku nor Quantum Fusion 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.*