# Decodoku > Quantum puzzle game for fun and scientific research in error correction. (iPhone/iPad app by James Robin Wootton.) - Source: https://appshunter.io/ios/app/decodoku/id1093080064 (this page in markdown: same URL + `.md`) - Developer: [James Robin Wootton](https://appshunter.io/developer/1093080063) - Category: Games, Education, Puzzle - Price: Free - Rating: 5.00/5 from 3 App Store ratings · 4 written reviews indexed - Age rating: 4+ - Requires: iOS 8.0 · 52 MB - Languages: American English - Released: 2016-03-19 - Data updated: 2026-06-01 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/decodoku/id1093080064/reviews.md ## What is Decodoku? This is not just any puzzle game. This is a quantum puzzle game! You can just play it for fun, or you can use it to conduct scientific research in the field of quantum error correction. These are the puzzles that need to be solved to keep quantum computers free of errors. We need to work out the best way to do it. By becoming a master at this game, you could help build a real-life quantum computer. Check out our website for more details on the science behind the game. This app was developed by Dr James Wootton, a quantum error correction researcher at the University of Basel. It is supported by the NCCR QSIT. ## Key features - Quantum puzzle gameplay - Scientific research tool - Quantum error correction - Advance quantum computing - Educational science content ## Recent user reviews (4 of 4) All indexed reviews: https://appshunter.io/ios/app/decodoku/id1093080064/reviews.md ### 5/5 — Simple to understand, hard to master *2019-12-02* What a beautiful game. I love listening to the fun music tone while strategically grouping the numbers. I don’t understand very much about error correction, but aside from that this is definitely a good game to give your brain a work out. Just when you think you’ve got the hang of it, a number group will suddenly get out of hand and leave you with critical decisions to make. ### 5/5 — HB214 - Still Love This Game!!! *2018-02-18* Update: I still enjoy playing this game! Its not easy and that’s the most exciting part about it for me. I hope you continue updating this so i can learn more about quantum error correction. Thanks!!! 👍🏻👍🏻 Original: What a great puzzle game! I really enjoy learning the science of quantum error correction and the challenging aspects of this cryptic game. Please keep this updated! 👍👍 ### 4/5 — Great thermodynamic simulator *2016-08-20* You'll find that the numbers won't always jump to where you swipe. It would be nice if the numbers followed your finger as you hold and drag them since you need to assume the 3 or 4 trajectories. ### 5/5 — Super fun! *2016-03-24* I can tell what I'll be doing for the next few hours... ## Frequently asked questions about Decodoku ### What is Decodoku? Decodoku is a unique puzzle game that also serves as a tool for scientific research in quantum error correction. It allows players to engage with challenges relevant to building quantum computers. ### How does Decodoku help with quantum computers? By playing Decodoku, users solve puzzles that mirror the challenges of keeping quantum computers free of errors. Mastering these puzzles can contribute to finding optimal solutions for real-life quantum computing. ### Is Decodoku free to play? Yes, Decodoku is completely free to download and play. There are no in-app purchases or advertisements. ### What devices is Decodoku available on? Decodoku is available on iPhone, iPad, and iPod devices. ### What is the age rating for Decodoku? Decodoku has an age rating of 4+, making it suitable for a wide range of players. ### How often is Decodoku updated? The latest version of Decodoku is 5, and it was last updated on March 1, 2017. Further updates may be released based on ongoing research and development. ### Who developed Decodoku? Decodoku was developed by Dr. James Wootton, a quantum error correction researcher at the University of Basel. The app is supported by the NCCR QSIT. ### Can I learn more about the science behind Decodoku? Yes, you can find more details about the scientific principles behind Decodoku on its official website. The developer provides insights into the quantum error correction research it supports. ## Version history (last 5 releases) ### 5 — 2017-03-01 This app has been updated by Apple to display the Apple Watch app icon. New hard mode and interactive tutorial. ### 3.1 — 2016-11-02 New Tutorial, with German language version. Save files. ### 3.0 — 2016-07-17 Ability to keep track of groups by marking them different colours. Link to more extensive tutorial. ### 2.0 — 2016-05-24 To train you in solving the puzzles, there are now 'Practice games'. To help you compare your progress to the rest of the community, there is now a 'Target Score'. iPhone and iPad grid sizes made the same. German localization. ### 1.0 — 2016-03-19 No release notes. ## Apps similar to Decodoku | App | Rating | Price | Category | | --- | --- | --- | --- | | [Omen's Gambit](https://appshunter.io/ios/app/omens-gambit/id6743724998) | — | Free | Games | | [FuseCells: Logic Grid Puzzle](https://appshunter.io/ios/app/fusecells-logic-grid-puzzle/id6754704139) | 4.8 (9) | Free | Games | | [IQ Puzzle - Dot Matrixes](https://appshunter.io/ios/app/iq-puzzle-dot-matrixes/id1524183008) | — | Free | Games | | [OddEvenMerge: Brain Zen Puzzle](https://appshunter.io/ios/app/oddevenmerge-brain-zen-puzzle/id6745198218) | — | Free | Games | | [Eterna](https://appshunter.io/ios/app/eterna/id1513216417) | 3.7 (15) | Free | Games | | [Quantum 3](https://appshunter.io/ios/app/quantum-3/id1406630529) | 5.0 (15) | Free | Games | ## Related topics [otuvy qm](https://appshunter.io/ios/topics/otuvy-qm) · [quantro](https://appshunter.io/ios/topics/quantro) · [quanticlo](https://appshunter.io/ios/topics/quanticlo) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*