Now you can play the classic paper and pencil puzzle game right on your phone!

The most intuitive, polished, and enjoyable Sudoku game on the App Store! Completely free with an endless supply of Sudoku puzzles.

Choose any level you like. Our Sudoku has some features that make the game easier for you: hints, auto-check, and duplicates highlight. You can use them or complete the challenge without help – it's up to you!

- Endless, Free Sudoku puzzles
- 4 levels of difficulty: Simple, Medium, Hard, Master
- Hints and Notes

Train your brain with Sudoku anywhere, anytime!

What’s New

Version 1.2.2

1.Game performance improvement.
2.Support AppTrackingTransparency.

Ratings and Reviews

4.8 out of 5
4K Ratings

4K Ratings

Beccaaaaaaaaaaaa498 ,

They Know What They’re Doing

I’ve been doing Sudoku puzzles since I was in high school for math homework and it has become increasingly difficult to find an app that truly challenges me anymore. The “expert” level truly will force you to use your entire store of logical reasoning to complete and it’s so satisfying when you finally get it! This level goes far beyond the basic rules of sudoku.
Some complain that the app’s pencil feature doesn’t erase possibilities when you fill in a permanent number and that there isn’t an option to erase once you’ve filled one in, but I actually find that this makes the app’s overall experience much more like doing a puzzle in real life (on paper, imagine that) and forces me to pay more attention when filling in cells - then it’s great when I realize I forgot to erase the pencilled-in number that is no longer a possibility and I sometimes end up solving a cell due to that when I get stuck!
Overall, great app, simply designed, challenging puzzles and an extremely minimal ad experience (if you even notice the ads at all - you’ll never have to worry about one popping up mid-puzzle or anything horrible like that).

constantnormal ,

Good range of game play …

… with ads being unobtrusive. Only change I would make is to have a diminishing number of mistakes allowed as the difficulty levels increase, and to make the limits clear, alongside the errors made thus far, and the elapsed time.
For the competitive, some stats on aggregate performance against a particular puzzle would be nice.
And the “master” level is far too easy.

LillyH704 ,

Seems to work fine, but...

The app seems to work fine. The app is responsive, there are minimal animations, and it’s not overly complicated. However, there’s one (literal) glaring problem which will prevent me from using this app until it’s changed. I primarily play sudoku before bed, and so it’s usually in bed, in the dark. The app is BLINDINGLY white, and there does not appear to be an option for a night mode or to change theme colors. It’s absolutely painful to look at the screen when the app is open. Address this and the app would get a solid five stars. As it stands now, I can’t use it.

App Privacy

The developer, yong yin, 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 Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Identifiers

Data Not Linked to You

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

  • Identifiers
  • Usage Data

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Game Center

    Challenge friends and check leaderboards and achievements.

  • Family Sharing

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

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