Perfect for short break
I start a medium puzzle, leave a comeback later. Auto save always work.
Very good and interesting sudoku
Clean, classic sudoku done right. Notes, hints and autosave make it easy to play a dew minutes or a full puzzle
Free
About
Enjoy a classic 9x9 puzzle experience with multiple difficulty levels. Track candidates with pencil notes, get hints, and resume your game anytime with autosave. Relax and focus with light and dark themes.
✓Classic 9x9 Sudoku grid
✓Four difficulty levels
✓Pencil notes mode
✓Hint system
✓Autosave functionality
✓Light and dark themes
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What's New in Ninebox Sudoku
2026.7.15
July 17, 2026
User reviews
Developer apps
FAQ
What are the difficulty levels in Ninebox Sudoku?
Ninebox Sudoku offers four difficulty levels: Easy, Medium, Hard, and Expert, catering to players of all skill levels.
Can I save my progress in Ninebox Sudoku?
Yes, Ninebox Sudoku features an autosave function, allowing you to pick up right where you left off at any time.
Does Ninebox Sudoku offer hints?
Yes, Ninebox Sudoku provides hints to help you when you get stuck on a puzzle.
What devices is Ninebox Sudoku available on?
Ninebox Sudoku is available for iPhone and iPad devices.
Does Ninebox Sudoku have ads?
No, Ninebox Sudoku is ad-free, providing an uninterrupted puzzle experience.
What is the age rating for Ninebox Sudoku?
Ninebox Sudoku has an age rating of 4+, making it suitable for a wide range of players.
How often is Ninebox Sudoku updated?
The latest version was released on July 17, 2026, with the last update on the same date, indicating recent development activity.
Can I track my mistakes in Ninebox Sudoku?
Yes, Ninebox Sudoku includes a mistake tracking feature to help you learn from your errors.