Classic Sudoku by Logic Wiz

Contains adsIn-app purchases
4.5
1.92K reviews
100K+
Downloads
Content rating
Everyone
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About this game

Sudoku is a free puzzle game by Logic Wiz. Entertaining logic game and brain training app, joining a family of Sudoku and Logic games developed by Logic Wiz.
The puzzles are beautifully handcrafted and divided into 6 playing levels from Beginner to Master.
The app comes with a great interface and tools for novice and professional solvers.
Smart hints show the next logical step to overcome hurdles and help you become a better player.
The Logic Wiz Sudoku free app was chosen as the Best Sudoku App and the Best Brain Training App.

About Sudoku:


Sudoku is a logic number game. The objective is to fill a 9x9 board with the digits 1 to 9, so that no digit appears twice in a row, column and 3x3 box.

Puzzle Features:



* Beautiful handcrafted boards.
* Difficulty levels from beginner to master.
* Unique solution to each puzzle.
* All boards designed and created by Logic-Wiz.



Game Features:



* Smart Hints to help and teach.
* Weekly Challenge.
* Gallery game view.
* Play multiple games concurrently.
* Cloud Sync - Synchronize your progress over multiple devices.
* Keep Screen Awake.
* Light and Dark Theme.
* Sticky digit mode.
* Remaining cells of a digit.
* Select multiple cells at once.
* Select multiple cells at distributed locations of the board.
* Multiple pencil marks styles.
* Double notation.
* Auto remove pencil marks.
* Highlight matching digits and pencil marks.
* Multiple error modes.
* Performance tracking for each puzzle.
* Statistics and Accomplishments.
* Unlimited Undo/Redo.
* Various cell marking options- highlights and symbols
* Track and improve solving time.
* Board preview.
* Mobile Phones and Tablets.
Updated on
Sep 30, 2025
Available on
Android, Windows

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Location, Personal info and 3 others
This app may collect these data types
Location, Personal info and 4 others
Data is encrypted in transit
You can request that data be deleted

Ratings and reviews

4.5
1.74K reviews
Sammy Kay
September 13, 2024
Great app for casually playing! But I noticed while playing it would randomly pop up ads that would open my browser, like nothing would show up on the game screen and my browser would just open? Also there isn't really too big of distinction between the difficulty levels. Like I would play 'Easy' and 'Expert' and both of these levels I could solve within 2 minutes, doesn't really make sense to me.
Did you find this helpful?
Logic-Wiz
September 13, 2024
Thank you for your review! If you encounter any problematic ads, please send us a screenshot at support@logic-wiz.com, and we'll block it. As for solving expert puzzles in 2 minutes, it is unusual since they always involve advanced strategies like XY-Wing, Swordfish, Empty Rectangle, X-Cycle and more. Could you share more details with us?
Nichole Shackelton
February 8, 2023
I absolutely love this game! there's barely any ads, I think there's one before a new game and that's it! the first couple I tried had several ads throughout the game! also it's nice and clean, no unnecessary graphics or flashing lights, none of that! just your game, and you can make it as easy or as hard as you like! I am just fully impressed with this game! well done guys!
13 people found this review helpful
Did you find this helpful?
Logic-Wiz
February 12, 2023
Thank you very much for a great review!
Deb inSA
March 18, 2023
This is an EXCELLENT App! I have gone from Never in my life having done a Sudoku to an Expert on this app in two weeks. I have done about 100 puzzles in two weeks so...lol! I now use the pencil and I'm proud of my progress! The less errors (wrong numbers) you make, the less ads you see. I think it's after 3rd error then you see an ad, you do see one ad at start of game but if you don't make errors then the rest of your game is ad free. It took me quite a few games to get there. FUN!
8 people found this review helpful
Did you find this helpful?
Logic-Wiz
March 18, 2023
Thank you very much for your 5-star review!!! We are very pleased you like our app.

What’s new

Dear Logic Wizards

A brand-new & thrilling release has just landed — and it’s bursting with surprises!
Ready to see what’s inside? Let’s dive in!

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What’s New in This Release

- Fresh Handcrafted Puzzles
- Brag about your achievements on Facebook – let the world know!

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