# Sixy Sudoku — Fast and Exciting! > Fast 6x6 Sudoku variant with extra logic for mobile devices. (iPhone/iPad app by PZZLcom.) - Source: https://appshunter.io/ios/app/sixy-sudoku/id1471766658 (this page in markdown: same URL + `.md`) - Developer: [PZZLcom](https://appshunter.io/developer/1471766657) - Category: Games, Board, Puzzle - Price: Free with in-app purchases - Rating: 4.20/5 from 5 App Store ratings · 2 written reviews indexed - Age rating: 4+ - Requires: iOS 9.0 · 16 MB - Languages: English - Released: 2019-07-24 - Data updated: 2026-06-09 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/sixy-sudoku/id1471766658/reviews.md ## What is Sixy Sudoku? 500 free puzzles of the fast and new 6x6 sudoku variation with extra logic, perfect for mobiles! As first published in The New York Times July 21, 2019 by Peter Ritmeester. The rules: insert the digits 1-6 just once in each a) row b) column c) bold outlined area AND d) white and green areas. Sixy Sudoku offer all the fun of regular sudoku, but without the time consuming hard work. Because only digits 1-6 are used, there is instant overview, making errors unlikely. The extra layer of logic makes you think quite hard, but even the toughest Sixys still take much less time than 9x9 sudoku! ## Key features - 500 free 6x6 Sudoku puzzles - Unique logic challenges - Faster gameplay than 9x9 Sudoku - Instant overview with digits 1-6 - Designed for mobile devices ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Remove Ads | $2.99 | one-time | | 100 Puzzles ••• Regular | $1.99 | one-time | | 100 Puzzles ••• Wacky | $1.99 | one-time | | 100 Puzzles •••• Regular | $1.99 | one-time | | 100 Puzzles •••• Wacky | $1.99 | one-time | | 100 Puzzles ••••• Regular | $1.99 | one-time | | 100 Puzzles ••••• Wacky | $1.99 | one-time | | 100 Puzzles ••••• Wacky | $1.99 | one-time | | 100 Puzzles ••••• Wacky | $1.99 | one-time | | 100 Puzzles ••••• Wacky | $1.99 | one-time | | 100 Puzzles ••• Regular | $1.99 | one-time | | 100 Puzzles ••••• Regular | $1.99 | one-time | | 100 Puzzles •••• Regular | $1.99 | one-time | | 100 Puzzles ••••• Regular | $1.99 | one-time | | 100 Puzzles •••• Wacky | $1.99 | one-time | | 100 Puzzles ••••• Regular | $1.99 | one-time | | 100 Puzzles •••• Regular | $1.99 | one-time | | 100 Puzzles •• Wacky | $1.99 | one-time | | 100 Puzzles ••• Wacky | $1.99 | one-time | | 100 Puzzles ••• Wacky | $1.99 | one-time | ## Recent user reviews (2 of 2) All indexed reviews: https://appshunter.io/ios/app/sixy-sudoku/id1471766658/reviews.md ### 1/5 — Buy more FAILS *2019-10-25* I love the game. Used them all up. Paid for more but purchase not recognized. 😡😡😡 **Developer response:** Could you please try the Restore purchases menu item on the Store screen? That should sync the available puzzles with all the purchases you own. ### 5/5 — Great take on sudoku *2019-10-23* Super fun game. Very well designed. Nice range of levels and challenges. Developer is very responsive to questions and suggestions. Highly recommended. ## Frequently asked questions about Sixy Sudoku ### What is Sixy Sudoku? Sixy Sudoku is a mobile game featuring a 6x6 grid variation of Sudoku. It uses digits 1-6 and includes extra logic elements for a faster yet challenging puzzle experience. ### How many puzzles are included in Sixy Sudoku? The game offers 500 free puzzles. These puzzles are designed to be quick to solve due to the smaller grid size and limited digit set. ### Is Sixy Sudoku suitable for younger players? Yes, Sixy Sudoku has an age rating of 4+, making it appropriate for younger players. The 6x6 grid and digits 1-6 are generally easier to grasp than traditional 9x9 Sudoku. ### Can I play Sixy Sudoku offline? The provided data does not specify offline play capabilities. However, many puzzle games of this nature are designed to be playable without an internet connection. ### What devices support Sixy Sudoku? Sixy Sudoku is available on iPhone, iPad, and iPod. It is optimized for mobile play on these Apple devices. ### When was Sixy Sudoku last updated? The latest version of Sixy Sudoku was released on October 15, 2019. The app was initially released on July 24, 2019. ### What is the user rating for Sixy Sudoku? Sixy Sudoku has a rating of 4.2 stars based on 5 ratings. This indicates a generally positive reception from its user base. ### Does Sixy Sudoku have ads? No, Sixy Sudoku does not contain advertisements. The app is free to download and play, with potential in-app purchases. ## Version history (last 4 releases) ### 1.1.1 — 2019-10-15 - Improved game play - Overview of available puzzles - Slightly easier hard puzzles (regular) ### 1.1.0 — 2019-10-05 - Playability/ Game Play improvements - Slightly easier hard puzzles (regular) ### 1.0.4 — 2019-08-03 - Green and Red pencils, in order to enter small digits into the grid - Timer optional - Improvements on UI design ### 1.0.0 — 2019-07-21 No release notes. ## Apps similar to Sixy Sudoku | App | Rating | Price | Category | | --- | --- | --- | --- | | [Mini Sudoku - 6x6 Linked](https://appshunter.io/ios/app/mini-sudoku-6x6-linked/id6751232830) | 4.6 (147) | Free | Games | | [Hyper Sudoku: Brain Puzzle](https://appshunter.io/ios/app/hyper-sudoku-brain-puzzle/id6473727305) | 5.0 (2) | Free | Games | | [Sudoku Revolution](https://appshunter.io/ios/app/sudoku-revolution/id546630587) | 4.6 (34) | Free | Games | | [Sudoku PuzzleLife](https://appshunter.io/ios/app/sudoku-puzzlelife/id1002352250) | 5.0 (2) | Free | Games | | [™ Sudoku 4x4](https://appshunter.io/ios/app/sudoku-4x4/id1447590387) | 4.3 (40) | Free | Games | | [Mini Sudoku: 6x6 Challenge](https://appshunter.io/ios/app/mini-sudoku-6x6-challenge/id6751756894) | 4.9 (16) | Free | Games | --- *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 2026-06-09.*