Archived App (Last seen on 22 Dec 2025)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
About
Engage in classic 9x9 Sudoku puzzles for relaxation or a mental workout. Play for free with multiple difficulty levels, hints, and helpful tools like note-taking and error checking.
What's New in Classic Sudoku
1.4.1
January 24, 2022
Minor bugfixes
User reviews
Developer apps
FAQ
What is Classic Sudoku - 9x9 Puzzles?
This app offers classic 9x9 Sudoku puzzles for players to enjoy on their mobile devices. It provides a digital way to play Sudoku, whether you're looking for a relaxing pastime or a challenging mental exercise.
What are the key features of this Sudoku app?
The app includes five distinct difficulty levels, from easy to challenging. It also provides helpful tools such as a hint system, note-taking functionality, auto-checking for errors, and duplicate highlighting to assist players.
Is Classic Sudoku - 9x9 Puzzles free to play?
Yes, the app is free to play. It is supported by advertisements, meaning you can enjoy all the puzzles and features without any upfront cost.
Who is this app designed for?
This app is ideal for anyone who enjoys logic puzzles and wants to engage their brain. It caters to both casual players looking for a relaxing game and those seeking a more demanding mental challenge.





