Four difficulties
Easy through Expert, plus a random mode for variety.
Think clearly.
A calm, focused puzzle experience. Four difficulties, smart hints, statistics, and themes — with everything saved on your device.
Everything you need, nothing you don’t.
Easy through Expert, plus a random mode for variety.
Pencil marks, undo/redo, and hints when you’re stuck.
Track streaks, solve times, and progress over time.
Light, dark, and system themes with accent colors.
Pause anytime — your game resumes exactly where you left off.
All data stays on your phone. No accounts required.
Sudoku does not collect, transmit, or sell personal data. Game progress and settings are stored locally on your device. Optional camera access is only used for QR puzzle import, processed entirely on-device.