A Sudoku experience that teaches you to think. Hints explain the why, replays show the how, and every puzzle makes you sharper.
Not just another puzzle app. A complete learning system built around the moment of understanding.
When you're stuck, get the next logical move — with a clear explanation of the reasoning. Not just the answer, but the why behind every step.
Learn classic strategies at your own pace, from basic elimination to advanced logic. Build a real solving toolkit, one technique at a time.
Once you finish, replay the entire puzzle step by step. Turn "I got lucky" into "I know exactly what I did."
Easy, Medium, Hard, and Expert — pick your challenge and push your limits whenever you're ready for the next step.
Spotted an interesting puzzle in a magazine? Enter it manually and start solving instantly, anywhere, anytime.
Notes mode, duplicate highlighting, and auto-remove candidates — so you can focus on thinking, not on housekeeping.
The real joy of Sudoku isn't filling in the last cell. It's that moment when everything suddenly clicks.
Solving + Hints + Tutorials — woven together in one seamless experience, so every puzzle becomes a learning opportunity.
Track your growth — Time, mistake count, and solve details for every completed puzzle. Watch yourself improve.
Privacy first — No data collected. No accounts required. Just you and the puzzle.
Free on the App Store. No ads. No data collection. Just pure, thoughtful Sudoku.
Download for iOS