One Sudoku is the ultimate Sudoku app for your device. It features a wide variety of Sudoku puzzle types in different sizes* with selectable difficulty levels.

Thanks to the innovative number wheel, entering the solutions is intuitive and easy and will help you solve Sudokus faster than ever.

* All Sudokus featured in this app are 100 % unique - they are created exclusively for One Sudoku
* One Sudoku includes an infinite number of Sudokus so the fun will never end
* Compare your puzzle-solving skills with other players from all over the world
* Unlock achievements

The following puzzles types are included:

* Classic (4x4, 9x9, 16x16)
* Window
* Chaos (7x7 to 12x12)
* Stair Steps

Club members also get access to:

* Jigsaw (7x7, 9x9, 11x11)
* Even / Odd
* X-Sudoku
* Comparison
* Killer

Play as many Sudokus as you want. Or join the „One Sudoku Club“ and unlock offline games, all puzzle types, and all difficulties without any ads.

*) Note: sizes from 10x10 and above are only available on devices with a larger screen (i.E. iPads).

Terms of Use:

What’s New

Version 1.1.2

Thank you for playing One Sudoku.

For this version, we've added a the possibility to adjust the zoom level of the play board.

If you have any questions or comments, feel free to write an email to - we are looking forward to your feedback.

Have fun with the new version.

App Privacy

The developer, Cornelius Behrend, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer's privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


Cornelius Behrend
73.1 MB

Requires iOS 13.0 or later. Compatible with iPhone, iPad, and iPod touch.


English, French, German, Japanese, Korean, Simplified Chinese

Age Rating
In-App Purchases
  1. One Sudoku Club $2.49


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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