SudoKoi: Smart & Clean Sudoku

No Ads, Killer Mode, Scanner

Free · In‑App Purchases

A clean, ad-free Sudoku app with Killer mode, smart features, and a beautifully minimal design. 〉SudoKoi - Beautifully Minimal Sudoku Simple. Elegant. Focused. SudoKoi is everything you love about Sudoku - refined to perfection. With five difficulty levels, support for up to nine simultaneous games, and thoughtfully designed tools like note-taking, candidate tracking, and smart highlights, SudoKoi lets you focus on what matters: solving. No ads. No clutter. No distractions. Just Sudoku. 〉Smart, But Never In Your Way SudoKoi enhances your experience without taking over. Subtle features like error checks, highlight helpers, and number button indicators keep the game flowing smoothly - without solving it for you. It feels natural, intuitive, and satisfying. 〉Designed for Calm SudoKoi is carefully crafted to look and feel great on all your devices. The clean, paper-like interface is both beautiful and functional, with every detail made to disappear into the background - so the puzzle takes center stage. 〉More Than Just Sudoku • Killer Sudoku included • Assisted candidates and advanced input options • Statistics and strategy guide • Scan puzzles from paper • Share your puzzles with friends 〉Free to Try, Forever Enjoy a curated selection of classic and Killer Sudokus for free. Upgrade to SudoKoi+ to unlock: • Thousands of handcrafted puzzles • Unlimited play • One-time purchase or subscription - your choice Privacy Policy: https://sudoku.efabian.me/privacy/ Terms of Service: https://sudoku.efabian.me/terms/

  • 4.8
    out of 5
    52 Ratings

Make SudoKoi your own with more options, smoother gameplay, and new widgets!

The developer, Fabian Zwick, 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 Linked to You

    The following data may be collected but it is not linked to your identity:

    • Purchases
    • Identifiers
    • Diagnostics

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
    • Fabian Zwick
  • Size
    • 30.6 MB
  • Category
    • Puzzle
  • Compatibility
    Requires iOS 14.0 or later.
    • iPhone
      Requires iOS 14.0 or later.
    • iPad
      Requires iPadOS 14.0 or later.
    • iPod touch
      Requires iOS 14.0 or later.
    • Mac
      Requires macOS 11.0 or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
  • Languages
    English and 4 more
    • English, French, German, Japanese, Spanish
  • Age Rating
    4+
  • In-App Purchases
    Yes
    • SudoKoi+ $0.99
    • SudoKoi+ $7.99
    • SudoKoi++ $24.99
  • Copyright
    • © 2020-2025 Fabian Zwick