Sudoku Classic – Soku
Number puzzle brain game
Free · Designed for iPad. Not verified for macOS.
Classic 9×9 Sudoku, free on iPhone and iPad. Four difficulties, hints, a timer, Dark Mode and Game Center. No account. A calm logic puzzle for your brain.
Soku is classic 9×9 Sudoku — free, focused, and made for your brain.
Choose Easy, Medium, Hard, or Very Hard. Fill every row, column, and 3×3 box with the numbers 1 to 9. No repeats. Just logic.
Play a quick puzzle on the train or settle in for a longer session. Soku stays out of the way so you can think.
WHY SOKU
• Classic Sudoku, nothing extra — a clean 9×9 grid
• Four difficulty levels, from beginner to Very Hard
• Hints when you get stuck
• Undo and reset if you want a fresh start
• Error tracking so you can learn from mistakes
• On-screen timer to beat your own time
• Completed-number tracker to see what is left
• Dark Mode for late-night puzzles
• Game Center leaderboards for each difficulty
• Free to play on iPhone and iPad
• Small download (about 7 MB)
• No account. Puzzles are generated on your device
HOW TO PLAY
1. Pick a difficulty.
2. Tap a cell, then tap a number.
3. Each digit from 1 to 9 can appear only once in its row, column, and 3×3 box.
4. Use a hint if you need a nudge — or play it pure.
A CALM BRAIN GAME
Sudoku is a number puzzle and a logic workout. A few minutes a day can sharpen focus and problem-solving. Soku is built for that habit: offline-friendly play, a readable board, and no sign-up wall.
Soku includes optional ads to keep the game free. If you enjoy a quiet grid and a fair challenge, download Soku and start a puzzle today.
If you like classic Sudoku, a rating or a short review helps other players find it. Thank you for playing.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Thanks for playing Soku.
Soku now speaks your language: the game is available in 17 languages.
• Full translation of the menu, board and results
• Dark Mode for late-night puzzles
• Game Center leaderboards for every difficulty
• Smoother play on iPhone and iPad
If Soku makes you think, a quick rating helps other puzzle fans find this free Sudoku. Thank you.
The developer, Alga Games, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Walter Aldana Galvez
- Size
- 7.2 MB
- Category
- Puzzle
- Compatibility
Requires iOS 15.6 or later.
- iPhone
Requires iOS 15.6 or later. - iPad
Requires iPadOS 15.6 or later. - iPod touch
Requires iOS 15.6 or later. - Mac
Requires macOS 12.5 or later and a Mac with Apple M1 chip or later.
- iPhone
- Languages
English and 16 more
- English, Arabic, French, German, Hindi, Italian, Japanese, Korean, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Thai, Traditional Chinese, Turkish, Vietnamese
- Age Rating
4+
- 4+
- Contains
Advertising
- Copyright
- © 2026 AlgaGames
