250+ iOS apps & games curated and reviewed
The best uglysudoku apps and games on iPhone average 4.8★ 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 | Aug 2026 |
| 3 |  | Free | 4.8★ (659K) | Yes | Yes | Aug 2026 |
| 4 |  | Free | 4.7★ (161K) | Yes | Yes | Aug 2026 |
| 5 |  | Free | 4.7★ (38K) | Yes | Yes | Aug 2026 |
| 6 |  | Free | 5.0★ (8) | Yes | No | Aug 2026 |
| 7 |  | Free | 4.9★ (88K) | Yes | Yes | Aug 2026 |
| 8 |  | Free | 4.6★ (7.9K) | Yes | Yes | Aug 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.
This app offers a classic Sudoku puzzle experience with a modern design and intuitive controls. It features five difficulty levels, a smart hint system that teaches logic, and daily challenges to keep your mind sharp. Track your progress and enjoy a customizable and relaxing gameplay.
Engage with an unlimited supply of Sudoku puzzles, playable online or offline. This app offers six difficulty levels, daily challenges, and a clean, user-friendly interface designed for both novice and expert players. Enjoy a distraction-free experience with customizable settings and essential tools like undo/redo and note-taking.
Engage your mind with a distraction-free logic puzzle game. Enjoy classic sudoku with no forced ads or subscriptions, playable entirely offline. Track your progress and utilize helpful tools to enhance your daily brain training.
Engage your mind with a classic Sudoku puzzle game offering thousands of challenges across four difficulty levels. Features include note-taking, auto-check, daily challenges, and hints to aid your brain training.
This app offers a comprehensive Sudoku experience with numerous customization options, multiple game modes, and difficulty levels. It features a minimalist design, daily challenges, and Apple Pencil integration for a pen-and-paper feel.
Engage your mind with a classic Sudoku puzzle game offering an endless supply of challenges. Choose from four difficulty levels and utilize helpful tools like hints and auto-check to enhance your gameplay experience. Train your brain anytime, anywhere with this intuitive and polished application.
Experience a visually stunning and classic Sudoku game with endless free puzzles. Choose from four difficulty levels and enjoy a vast collection of beautiful background images. Compete with others through Game Center achievements and leaderboards.
Experience Sudoku in a feudal Japan setting with beautiful graphics and advanced features. This app offers dual keypad entry, smart note-taking, and error checking to enhance your puzzle-solving. With multiple difficulty levels and thousands of puzzles, it caters to all skill levels.
Engage in a challenging math crossword and number puzzle experience. Solve thousands of Killer Sudoku puzzles with enhanced gameplay, daily challenges, and seasonal events. Train your brain and become a sudoku master with helpful hints and notes.
This classic number puzzle game offers thousands of Sudoku challenges for all skill levels. Train your brain, improve logical thinking, and enjoy a stimulating break with daily challenges and helpful tools. Play anytime, anywhere, and track your progress.
Engage your logic and memory with this classic number-placement puzzle game. It offers multiple difficulty levels, helpful tools like hints and undo, and daily challenges to sharpen your skills. Enjoy a relaxing yet mentally stimulating experience on your phone or tablet.
Engage your mind with classic Sudoku puzzles designed for all skill levels. Enjoy a customizable, ad-free experience with various themes and difficulty settings. Track your progress and stats while sharpening your logic skills.
Enjoy a pure, distraction-free Sudoku experience with no ads or accounts. This app offers a clean interface, Apple Pencil support for iPad users, and a focus on privacy. It's perfect for both beginners and experienced players looking for a classic puzzle challenge.
Enjoy the classic paper-and-pencil puzzle game on your phone with a clean, elegant design. Challenge your mind with multiple difficulty levels and helpful tools to aid your solving experience.
Engage in a classic number-placement puzzle with handcrafted challenges across four skill levels. Features include error highlighting, smart note-taking, and hints to aid your solving. Compete with friends and track your progress with detailed statistics.
Engage in a classic number puzzle experience with no advertisements. This app offers unlimited grids, six difficulty levels, and daily challenges, all within a user-friendly and distraction-free interface. Enjoy a smooth and intuitive gameplay on all your devices.
Enjoy a classic logic puzzle experience without any interruptions. This app offers unlimited puzzles, multiple difficulty levels, and smart tools to help you train your brain. Customize your game with beautiful themes and track your progress with detailed statistics, all playable offline.