Sudoku 9×9

About this app

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!

Bug fixes and small improvements.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

1. First observed Sep 4, 2026 · 12:41 AM Free