Just Sudoku is exactly what the name suggests: simply a sudoku game, where the game itself is the center of focus. Just Sudoku's interface is straight forward and simple in the right spots. This way you won't be overwhelmed by visual effects, but instead can concentrate on the numbers.

Are you a sudoku veteran? Can you solve even the toughest puzzles by simply glancing at them? Try our jigsaw sudoku puzzles! Different boxes force your head to concentrate in a different manner. In addition jigsaw sudoku puzzles also add a splash of color in your everyday gaming.

No matter if you just discovered the pleasure of sudoku or if you are a true professional when it comes to combining numbers, Just Sudoku is the ideal app to follow your number passion. Just Sudoku is like a fitness studio for your brain. Your fitness coach with the matching workouts to train your logic throughout the day or to stay mentally fit and agile with age.

Did you just get started in the world of sudoku? Just Sudoku will help you get a good foothold: marking errors, giving hints, add pencil markings and much more.
Choose from 4 difficulties - an easy level for a quick training now and then or a more difficult level for a true brain-teaser.

Important features in a quick list:
- classic and jigsaw sudoku variants
- 4 difficulty settings
- night mode, so that your eyes don't get strained at night or so that your partner can continue to sleep
- many different help functions, each individually selectable
- make the interface your own, with a large selection of fonts and font-sizes
- no matter if you play on iPhone or iPad, portrait and landscape modes are supported

Just Sudoku is free and ad-supported. If you choose to purchase Just Sudoku Premium to remove ads, payment will be charged to your iTunes account, and your account will be charged for renewal 24 hours prior to the end of the current period. Auto-renewal may be turned off at any time by going to your settings in the iTunes Store after purchase. Current price for the yearly subscription is $9.99 USD, and may vary from country to country.

Just Sudoku's privacy policy:

What’s New

Version 2020.2

bug fixes and UI improvements

Ratings and Reviews

4.7 out of 5
1.6K Ratings

1.6K Ratings

Kellcat45 ,

This is the one!

This is the sudoku app I’ve been looking for! There is so much about this I love! You can choose from the many options to make this 'just right' for you. It is intuitive and easy to use, and even offers a landscape option. An added bonus is the jigsaw sudoku. I haven’t seen it offered in the other apps, so I was pleasantly surprised to find it here. I’ve tried a lot of versions of sudoku, and this is my new favorite😀

LongMacUser ,

LOVE the Jigsaws but...Problem fixed!!!!

The prompt response of this developer is rare and greatly appreciated! I wrote a review mentioning the pencil marks could not be seen in the darker jigsaw puzzles. The developer responded immediately and today, less than a week later, the game updated and the problem was fixed😃! This is the BEST sudoku app I have tried and the only one to offer the challenging jigsaw puzzles!

Developer Response ,

Hi, this will be fixed in the coming update. Thanks for your feedback.

Spuzz1127 ,

Best Sudoku!

This version of Sudoku is my favorite. I have been playing it every day for several years, and each version gets better and better. I love the simplicity of the design, the clean look, and all the features it offers. In addition, the Jigsaw puzzle version is a really fun variant. I’ve tried many other Sudoku apps and this one is the best. Highly recommended!!!

App Privacy

The developer, Keitgen GmbH, 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.


Keitgen GmbH
46.8 MB

Requires iOS 9.3 or later. Compatible with iPhone, iPad, and iPod touch.


English, Danish, Dutch, Finnish, French, German, Italian, Japanese, Korean, Norwegian Bokmål, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Swedish

Age Rating
In-App Purchases
  1. Just Sudoku Premium $0.99
  2. Just Sudoku Premium $9.99


  • Family Sharing

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

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