Sudoku is not just another numbers game. It is, arguably, one of the world’s most popular numbers games. It’s played by millions of people, every day, from all walks of life and many different age groups. Playing sudoku actually exercises your brain extensively.
Sudoku puzzles offer an entertaining and effective way of exercising your brain and keeping your mind sharp. You can download Sudoku games and puzzles and play the game online or even without an internet connection.
Whether you want to maintain the health of your brain or you're simply looking for a fun way to pass the time, you're sure to find something for everyone in today's list of the best sudoku apps for iPhone, iPad, and Android devices.
Best Sudoku Apps
Classic Sudoku is a sudoku app with a range of difficulty levels, features, and game styles that make it suitable for players of any age. Classic Sudoku hits the sweet spot between the calm minimalism of a paper-based puzzle and an app's convenience and supportive possibilities.
Features
- Variety of difficulty levels for sudoku puzzles.
- Effortless answer entry.
- Customizable support options: hints and error-checking.
- Intuitive interface similar to pen and paper.
- Auto-checking and mistake notification options.
- Toggle for showing digits remaining.
- Unlimited undo feature.
- Large-digit buttons for accessibility.
Pros
- Elegantly made, maintaining the essence of sudoku.
- Customizable player experience.
- Helps improve puzzle-solving skills.
- Suitable for a wide age range with ad removal.
- Visually clean and calming interface.
- Can be used without time limits, allowing for a relaxed experience.
Cons
- Ads may not be suitable for kids under 13.
- No feature for printing puzzles for screen-free use.
- Third-party ads could involve user tracking (can be removed with purchase).
Price: Free
Devices: iPhone, iPad, and Android
If we missed any of the Best Sudoku Apps, tell us about them!
Classic Sudoku is one of the great Sudoku games for Android. Classic Sudoku puts famous puzzles into app form so users have a never-ending source of puzzles to stimulate their thinking. Sudoku puzzles are suitable for people of any age, and Classic Sudoku has various challenges to suit different experience levels.
Features
- Digital Sudoku puzzles with a free ad-supported version.
- Four difficulty levels and a built-in number pad for answers and notes.
- Performance statistics and daily challenges.
- Minimalist design with a subtle color scheme.
- Quick notes option
- Dark mode
Pros
- User-friendly interface with clear, readable design.
- Variety of puzzles and levels for all users.
- Suitable for all ages with a neutral look.
- Helps develop problem-solving skills.
- Low-cost, one-time in-app purchase for a better experience.
Cons
- Quick notes feature may make solving puzzles too easy.
- No option to disable quick notes for a pure challenge.
- Free version ads may be inappropriate for children.
- Does not teach Sudoku basics.
- No personalization in rankings for competitive play.
Price: Free with in-app purchases
Devices: Android
3. Sudoku (Full Version)
(Android, iPhone, iPad)
Sudoku (Free) is a stylish and easy-to-use app to keep your brain sharp any time of day. If you want, there’s even an option for submitting your results online, tracking your progress, and comparing your top scores against those of other players which makes it one of the best Sudoku apps available.
Features
- Four levels of difficulty
- Unlimited puzzles
- three input methods
- Note making
- Auto-save function.
Pros
- Online competition with a leaderboard
- Logic-only hints to support learning how to solve
- Unlimited Undo and Redo features are helpful for beginners
Cons
- The free version has ads
- Subscription only removes ads - no extra featured
Price: Free with in-app purchases
Devices: iPhone, iPad, and Android
4. Sudoku World - Brainstorming!!
(iPhone, iPad)
Sudoku World is one of the best free Sudoku apps for the iPad as it offers an unlimited amount of puzzles for you to play.
You may also change the grid’s background by adding a photo from your iPhone and iPad’s photo library. The multiplayer mode is a distinct feature of this sudoku game. It has the ability to load or save a puzzle to the app’s database, statistics for finished puzzles, pause or resume capabilities, smart notes, in-game progress indications and so much more.
Features
- Unlimited Sudoku puzzles on iOS devices.
- Randomly generated puzzles
- Variety of Sudoku types: X Sudoku, Super Sudoku, Jigsaw Sudoku, 16x16 Sudoku, Samurai Sudoku.
- Multiplayer mode to play/challenge friends and others online.
- Integration with GAME CENTER, including 25 Leaderboards and 20 achievements.
- Five difficulty levels.
- Load/Save puzzle feature within the app database.
- Statistics to track and restart best records for each level.
- Hint system with a small penalty for use.
- Customizable background with personal photos.
Pros
- Endless gameplay with a variety of puzzles.
- Unique puzzles every time, enhancing replay value.
- Diverse Sudoku game types cater to all preferences.
- Social interaction through multiplayer mode.
- Suitable for all skill levels with multiple difficulties.
- Convenience of saving and loading games.
- Ability to track progress and improve through statistics.
Cons
- Social features can distract from the puzzle
- Ad-supported free version
- Subscription removes the ads but does not add features
Price: Free with in-app purchases
Devices: iPhone, iPad
5. Sudoku Number Puzzle
(iPhone, iPad)
Sudoku is a very promising Sudoku game that comes with tons of great puzzles. There’s an unlimited amount of puzzles with 6 levels of difficulty.
A distinctive feature of this app is that it allows you to put your own music in the background. Besides, here you will find the undo/redo function, 10 concurrent grids, automatic and manual note-making, customizable input, and display settings. You can play online or offline which is why some people consider this the best sudoku app.
Features
- Variety of difficulty levels
- Daily challenges
- Pencil mode
- Highlight duplicates
- Themes
- Unlimited undo & redo
- Create Sudoku puzzles
- Free to download and use
- Works on Android devices
- Perfect for Sudoku beginners and advanced players
- Fun and addictive
- Great way to improve logic and problem-solving skills
- Some ads
Price: Free with in-app purchases
Devices: iPhone, iPad
6. Andoku Sudoku 3
(Android)
Andoku Sudoku 3 is the best offline sudoku app for Android users, and some refer to it as the best sudoku app overall. This app has more than 20,000 puzzles with six variations of sudoku and eight levels of difficulty. There are also autosave features, automatic error checking, and pencil mark compatibility.
One of the best Android Sudoku apps, Andoku Sudoku 3 comes with tutorials that teach you many solving techniques. Based on specific game situations, the tutorials explain the solving techniques step by step. The free version contains ads and the pro version doesn’t. This one is also available for free to Google Play Pass subscribers.
- Variety of Difficulty Levels
- Customizable Puzzle Creation
- Comprehensive Tutorials
- Helpful Assistance Options
- Ad-Free Option
- Clean and user-friendly interface
- Wide range of difficulty levels
- Customizable puzzle creation
- Comprehensive tutorials
- Helpful assistance options
- Ad-free option available
- Some features, such as cloud synchronization, may require in-app purchases
- Occasional bugs reported by users
Price: Free with in-app purchases
Devices: Android
7. Sudoku.com - Number Puzzles
(Android, iPhone, iPad)
Sudoku.com is a popular Sudoku app for iPad and Android users. This app has 10,000 puzzles with six variations of sudoku and eight difficulty levels. There are also autosave features, automatic error checking, and pencil mark compatibility.
Features
- Thousands of classic sudoku puzzles
- Various levels from easy to expert
- Gameplay features like hints, auto-check, and highlighted duplicates
- Daily Challenges and Seasonal Events
- Statistics and progress tracking
- Color themes for comfortable play
Pros
- Automatic note updates when filling in cells
- Unique trophies and medals from challenges and events
- Customizable gameplay experience
Cons
- Excessive ads interrupt gameplay
- Small interface elements can be difficult to interact with
- App crashes leading to loss of stats
- Ads can be particularly long and disruptive
Price: Free with in-app purchases
Devices: iPhone, iPad, and Android
8. Sudoku Epic
(Android, iPhone, iPad)
If you are looking for the best Sudoku app experience, then check out Sudoku Epic. It has 5 different Sudoku games, giving you more options and fun. There are thousands of puzzles and goals that will challenge you. Get new puzzles daily, complete your goals, get hints if needed, 5 difficulty levels, auto notes, and more.
The Sudoku game requires you to find the hidden word and Killer Sudoku is for advanced players.
Features
- Five Sudoku game modes
- Thousands of free sudoku puzzles
- Killer Sudoku and Wordoku variations
- New puzzles daily
- Auto notes and goal completion
- Five difficulty settings
- Hint system
Pros
- Reduces tedium, enhancing enjoyment
- Good variety of games
- Clear and user-friendly interface
Cons
- Screen format too big for iPhone 12 mini
- The bottom row overlaps with the swipe bar
- No landscape mode, causing discomfort for some users
- Occasional app robustness issues, with reports of hanging
Price: Free with in-app purchases
Devices: iPhone, iPad
Kidoku is a sudoku app for kids of any age. It uses kid-friendly graphics and other assistance to make the puzzles accessible to Sudoku novices. Kidoku has an option to switch the numbers for animated animal faces.
This, along with bright graphics and lively music, makes Kidoku welcoming for young puzzle solvers. The app also provides some helpful features to support kids as they learn about solving Soduko.
Features
- Kid-friendly graphics and animated animal faces
- Available on iOS and Android for free with 20 levels
- Full app unlocked with in-app purchase
- Helpful features like highlighting mistakes
- Small to complex grid challenges with increasing difficulty
- Notes function for tracking puzzle progress
Pros
- Entertains while improving thinking skills
- Suitable for a wide age range
- Option to switch between animal symbols and numbers
- Gradual learning curve
- Violence-free and educational
- Good for classroom and travel activity
- Generous twenty-level trial
Cons
- Mistake-highlighting feature could be abused
- Parental lock not challenging enough
- Potential for kids to guess answers with trial and error
Price: Free with in-app purchases
Devices: iPhone, iPad and Android
10. Sudoku Craze
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SudokuCraze is a great game to play in your mobile browser. You can choose from 6 difficulty levels, including an "Insane" and "Inhuman" mode for the hardest challenges. It also has a feature to check your status to ensure your numbers are in the right place, and you can keep track of your time and total number of moves. To get the most immersive experience, play the game in full-screen mode. Try playing Sudoku on SudokuCraze.
- Over 10,000 puzzles
- 4 difficulty levels: Easy, Medium, Hard, and Expert
- Hints, auto-fill, and undo/redo
- Pencil marks
- Timer
- Daily puzzles
- Large number of puzzles
- Variety of difficulty levels
- Helpful features
- Customizable themes
- Some puzzles may be too easy
- The app can sometimes be slow to respond
Price: Free
Devices: Web Browsers
Looking for apps that let you play something other than sudoku? Check out our list of the best chess apps, or our list of the best puzzle apps of all time.
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