About
This app teaches logical Sudoku solving with daily puzzles and detailed hints. It automatically tracks candidates and offers a learn section with fifteen solving strategies. Unlock unlimited custom puzzles and track your progress.
What's New in Tetsudoku
1.0.2
September 26, 2026
Bug fixes and performance improvements
Subscriptions & In-App Purchases
$4.99
Tetsudoku Unlimited
Unlock every puzzle and difficulty forever.
FAQ
Does Tetsudoku have ads?
No, Tetsudoku does not contain advertisements. The app is free to use with optional in-app purchases for advanced features.
What devices does Tetsudoku support?
Tetsudoku is available for iPhone and iPad devices, offering a seamless experience across Apple's mobile platforms.
How does Tetsudoku help me learn Sudoku strategies?
Tetsudoku features a dedicated 'Learn' section with fifteen distinct solving strategies. Each strategy is fully explained and comes with practice puzzles to reinforce your understanding.
What is the age rating for Tetsudoku?
Tetsudoku has an age rating of 4+, making it suitable for a wide range of players interested in puzzle games.
How often are new puzzles released in Tetsudoku?
Four new puzzles are released daily, one for each difficulty level (Easy, Medium, Hard, and Expert). Additionally, twenty new puzzles are added to the weekly collection.
What does Tetsudoku Unlimited offer?
Tetsudoku Unlimited is a one-time purchase that unlocks Medium, Hard, and Expert puzzles. It also grants unlimited custom puzzle generation at any difficulty level.
Can I enter my own Sudoku puzzles into Tetsudoku?
Yes, you can manually enter Sudoku puzzles you find elsewhere, such as in newspapers, and solve them directly within Tetsudoku.
How does Tetsudoku track my progress?
Tetsudoku provides detailed statistics to track your improvement. This includes your best and average solve times for each difficulty, the total number of puzzles finished, and the number of hints used.





