Play and create Sudoku puzzles with a unique retro interface. Offers five difficulty levels and helpful aids for players. Includes a solver to check puzzle solvability and uniqueness.
uglySudoku by John Coddington



250+ iOS apps & games curated and reviewed
The best uglysudoku apps and games on iPhone average 4.7★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 5.0★ (1) | No | No | May 2026 | ||
| 2 | Free | 4.7★ (59K) | Yes | Yes | Sep 2026 | ||
| 3 | Free | 4.8★ (659K) | Yes | Yes | Sep 2026 | ||
| 4 | Free | 4.7★ (161K) | Yes | Yes | Sep 2026 | ||
| 5 | Free | 4.7★ (38K) | Yes | Yes | Sep 2026 | ||
| 6 | Free | 4.9★ (9) | Yes | No | Sep 2026 | ||
| 7 | Free | 4.9★ (89K) | Yes | Yes | Sep 2026 | ||
| 8 | Free | 4.6★ (7.9K) | Yes | Yes | Sep 2026 |



Play and create Sudoku puzzles with a unique retro interface. Offers five difficulty levels and helpful aids for players. Includes a solver to check puzzle solvability and uniqueness.





Engage your mind with this classic Japanese logic puzzle. Offers multiple difficulty levels, customizable backgrounds, and unique emoji number options. Track progress and compete with others.






Experience Sudoku with a unique point system, track your progress with runs, and compete globally on leaderboards. Enjoy thousands of free puzzles with adjustable difficulty and customizable looks.