Ninebox Sudoku

Classic 9×9 Puzzle Game

Free · Designed for iPad. Not verified for macOS.

Classic 9×9 Sudoku with notes, hints, and autosave. Easy to Expert — pick a level and play anytime. Ninebox Sudoku is a clean, classic Sudoku experience for iPhone and iPad. Play traditional 9×9 puzzles with four difficulty levels: Easy, Medium, Hard, and Expert. Use pencil notes to track candidates, get a hint when you’re stuck, and pick up right where you left off with autosave. Features: • Classic 9×9 Sudoku grid • Easy, Medium, Hard, and Expert difficulties • Pencil notes mode • Hints when you need help • Undo and redo • Mistake tracking • Pause timer • Light and dark themes • Autosave so you can resume later Relax, focus, and enjoy a fresh puzzle whenever you have a few minutes.

  • 5.0
    out of 5
    2 Ratings

The developer, Vinh Tam Tan, 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.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Seller
    • Vinh Tam Tan
    Size
    • 9.4 MB
    Category
    • Board
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    • English
    Age Rating
    4+
    Copyright
    • © 2026 Vinh Tam Tan