Free
About
ninedokYu generates 9x9 Sudoku puzzles that, upon preference, require more or less specialized solving techniques. The app can also scan Sudoku puzzles from photos, manage candidates manually or automatically (depending on the difficulty level), generate solutions, export puzzles to PDF, and save your score and playtime.
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What's New in ninedokYu
1.4.2
April 11, 2026
Prevents duplicate puzzle IDs in PDF files and, occasionally, on macOS using “Make / Next puzzle”. Now, also manual changes to candidates trigger timer and animation. Localisation improved.
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