Sudoku Tutor3.7 - App Store

Sudoku Tutor will teach you how to solve classic Sudoku puzzles, from the easiest to the hardest. It offers step by step hints and grid visualizations to make it easy to figure out what to do next. Highlights include:

- A user friendly interface to make it easy and fun to solve even the hardest puzzles.
- Learn the strategies to solve easy and very complex classic Sudoku puzzles.
- Provides varying levels of support while solving puzzles through hints and grid highlights.
- Uses Artificial Intelligence to scan puzzles using the camera or from a picture.
- Generate your own puzzles with levels of difficulty from Easy to Insane.
- Create a puzzle by manually entering the given numbers or pasting in a puzzle text string.
- Track your progress as you improve, with detailed statistics for every puzzle complexity.
- Share puzzles with your friends.
- Save puzzles to work on later.
- Keeps completed puzzles so that you can solve them again or send them to friends.
- Supports multiple user interface options for working with puzzles.

Version History - Support for iOS 27 3.7 Sep 26 Minor bug fixes 3.6 Sep 8 - More improvements to the colors in dark mode 3.5 Feb 16 - Restarting a puzzle now zeroes out the mistakes
- Added display of the steps during the solving of the puzzle
- Improved visibility of pencil marks in dark mode 3.4 Feb 14 - Fixed issue with puzzles not saving while in progress 3.3 07/08/2025 - Fix for issue with starting a puzzle in one timezone and completing it in another 3.2 06/10/2025 - Minor bug fixes 3.1 01/22/2025 - Updated the advertising functionality to comply with new EU requirements 3.0 03/27/2024 - Minor bug fixes 2.9 11/13/2023 - iOS 17 compatibility 2.8 10/22/2023 - Minor bug fixes 2.7 09/02/2023 - Added setting to generate Expert puzzles which only require user selected solving algorithms. 2.6 08/25/2023 Improved support for Apple Silicon devices 2.5 02/08/2023 Minor bug fixes. 2.4 12/01/2021 - Improvements to Camera/Photo puzzle creation view.
- Print puzzle
- iOS 15 and new device support 2.3 11/11/2021 - Changed Scan Puzzle to go straight to camera capture
- Minor bug fixes 2.2 08/08/2021 Added feature to allow editing of completed puzzle names when viewing a completed puzzle detail.
Minor bug fixes. 2.1 05/03/2021 Enhanced puzzle scanning to highlight the puzzle border, to make it easier to know when to take the picture.
Added showing the solution to puzzle scanning and manually designing puzzles. 2.0 04/14/2021 - Improved hints by creating detailed description for each strategy
- Improved hints by showing candidates which will be removed by the strategy
- Improved non-grid pencil marks
- Improved solver strategies to cover more cases 1.9 03/16/2021 Improvements to hints for expert solvers
Minor bug fixes 1.8 02/28/2021 Improved puzzle scan AI processing.
Minor bug fixes. 1.7 02/11/2021 Removed use of IDFA (Identifier For Advertisers)
Added feature to rename puzzles in the puzzle view by tapping on the name
Added number of remaining cells to be solved, next to progress bar
Importing a puzzle will now open that puzzle even if another puzzle is being solved 1.6 02/09/2021 - Added feature to scan puzzles using the camera or from a picture using artificial intelligence.
- Implemented more solver algorithms:: XYZ-Wing, WXYZ-Wing, X-Cycles and XY-Chain.
- Improved hints visualization for graph based algorithms such as X-Cycles and Singles Chain
- Added feature to name puzzles and show the puzzle name in all screens. This helps keep track of which physical puzzles you are solving. 1.5 01/28/2021 Added setting for Undo steps limit to improve performance on older devices.
Fixed bug with Undo causing puzzle refresh problems. 1.4 01/08/2021 - Better positioning of Tap to Lock popup keypad
- Added complexity to Manually Enter Puzzle page
- Added News page to main menu and moved Help page to Settings
- Added history of games completed - for Gold Subscriptions
- Made Easy puzzles easier by increasing the number of given digits.
- Added number of givens next to complexity label to help identify easier puzzles from harder ones.
- Fixed minor bugs
- Requires iOS 14.3 or newer 1.3 01/02/2021