Sudoku: Killer, Classic, Daily

No ads, offline, easy to read

Free · In-App Purchases · Designed for iPad. Not verified for macOS.

A calm, ad-free Sudoku you can actually read. Classic and Killer puzzles, five levels, daily challenges, and hints that teach. No ads. No tracking. Fully offline. Sudoku Calm is the calm, ad-free home for every kind of Sudoku. No ads, ever. No pop-ups between puzzles, no banners, nothing to interrupt your flow. Just you and the grid. EVERY KIND OF SUDOKU - Classic Sudoku across five levels: Easy, Medium, Hard, Expert and Evil - Killer Sudoku with cage sums, fully included - A fresh Daily Challenge every day, free for everyone HINTS THAT TEACH Stuck? A hint points to the next logical move and explains the technique behind it, from naked singles to X-Wing, so you improve every game. BUILT TO BE READABLE Turn on Large Print or the Comfort theme for big, high-contrast numbers that are easy on the eyes. Eight themes in all, plus full dark mode. EVERYTHING DONE WELL - Pencil notes with optional auto-candidates - Undo and redo, and a mistake limit you can switch off - Timer, statistics, win streaks and achievements - Every puzzle has one unique, logical solution, no guessing - 100% offline. No account, no tracking, nothing to load. Play free, forever. Unlock Killer Sudoku, Expert and Evil levels, every theme and unlimited hints with a one-time Lifetime purchase, or a weekly or annual subscription. This app offers a weekly subscription with a 3-day free trial, and an annual subscription. Payment is charged to your Apple ID at confirmation of purchase. Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. Manage or cancel subscriptions in your Apple ID Account Settings. Restore purchases from the app settings. A one-time Lifetime purchase is also available and is not a subscription. Terms of Use: https://www.appharbour.com/sudokucalm/terms.html Privacy Policy: https://www.appharbour.com/sudokucalm/privacy.html

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Thanks for playing Sudoku Calm! This update brings a refreshed App Store look and small polish under the hood. No ads, ever.

Version 1.0.1

The developer, Charles Dapaah-Siakwan, 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 based, for example, 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

    Provider
    • Charles Dapaah-Siakwan
    Size
    • 1.3 MB
    Category
    • Puzzle
    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 and 3 more
    • English, French, German, Spanish
    Age Rating
    4+
    In-App Purchases
    Yes
    • Lifetime Unlock USD 17.99
    • Annual Premium USD 22.99
    • Weekly Premium USD 4.99
    • Learn More
    Copyright
    • © 2026 App Harbour ApS
  • Developer Website
  • Privacy Policy

    • More by Charles Dapaah-Siakwan

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