Sudoku — Classic Number Puzzle

Daily Puzzles & Brain Training

Only for iPhone

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

Free Sudoku with Daily Challenges, 4 difficulty levels & zero ads. Join thousands of puzzle lovers. Download now — it's free! Sudoku — Classic Number Puzzle is a beautiful, distraction-free Sudoku app — no ads, no fuss, just pure puzzle solving. Train your brain with four difficulty levels, from relaxed Easy puzzles to challenging Expert grids. A new Daily Challenge puzzle awaits you every day — the same puzzle for everyone, perfect for a shared experience. Features: • 4 difficulty levels: Easy, Medium, Hard, Expert • Daily Challenge — new puzzle every day • Hints system with smart suggestions • Undo — never lose progress • Auto notes for advanced players • Timer & mistake tracking • Achievements to unlock • Statistics to track your progress • 12 accent colors & 3 backgrounds • Dark mode support • No ads, no tracking, no subscriptions Premium (one-time, €4.99): Unlock Hard & Expert levels, unlimited undo, unlimited hints, all colors and backgrounds. Made with love by Rixdorf Studios in Berlin.

Ratings & Reviews

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The developer, Bruno Herzog, 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

    Accessibility

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

    Information

    Seller
    Bruno Herzog
    Size
    103.2 MB
    Category
    Puzzle
    Compatibility
    Requires iOS 17.6 or later.
    • iPhone
      Requires iOS 17.6 or later.
    • Mac
      Requires macOS 14.6 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.3 or later.
    Languages
    English
    Age Rating
    4+
    In-App Purchases
    Yes
    • Tip XXLarge $12.99
    • Extra Large Tip $8.99
    • Large Tip $3.99
    • Medium Tip $2.99
    • Small Tip $0.99
    • Premium $3.99
    • Learn More
    Copyright
    © 2026 Rixdorf Studios
  • Privacy Policy

    • More by Bruno Herzog

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