
Free
About
Ultimate simplicity. An endlessly playable, logical puzzle.
No unnecessary features. Just a pure, refined app for those who truly want to enjoy Sudoku.
Featuring high-quality puzzles for everyone from beginners to advanced players, anytime, anywhere. Perfect for your daily commute or a relaxing break before bed.
【Key Features】
◆ 4 Endless Difficulties
Choose from Easy, Normal, Hard, and the newly added "Extreme" mode, which features the absolute minimum of 17 starting clues. We guarantee that every puzzle has a "unique solution" that can be solved purely through logic. No unfair guessing required.
◆ Built-in Solver Mode
Input puzzles from newspapers or magazines to analyze and reveal the answers. With our latest update, you can also load your active game board with a single tap to help you out when you're stuck. It's a powerful tool that can even detect if a puzzle has "no solution" or "multiple solutions."
◆ Designed for Comfort
・Auto-save: Close the app anytime; you can always resume exactly where you left off.
・Error Highlighting: Duplicate numbers turn red instantly, helping you spot mistakes naturally without needing to toggle any settings.
・Dark Mode Support: Colors adjust automatically based on your device settings, making nighttime play easy on the eyes.
◆ Useful Tools
・Save Board Image: Save your work-in-progress or your completed masterpiece to your Camera Roll. Great for keeping records or sharing on social media!
◆ 100% Ad-Free
No ads to interrupt your flow. Immerse yourself completely in the puzzle.
For a quick brain workout or a refreshing break, give "Simple Sudoku" a try!
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What's New in Sudoku 9×9
1.3
May 17, 2026
Bug fixes and small improvements.


