Available on iOS & Android
NumGenius
Master Sudoku. Challenge Your Mind.
Offline-first
Dark Mode
Daily Challenges
Free
Flutter
Master Sudoku. Challenge Your Mind.
Designed from the ground up for a focused, distraction-free puzzle experience. No account required, no internet needed.
From Easy to Master — carefully tuned difficulty that grows with your skill. Never too easy, never unfair.
A new seed-based puzzle every day, the same for every player worldwide. Track your daily streak and personal best.
Full note-taking support. Add candidate numbers to any cell, just like solving on paper — minus the eraser.
Stuck? A targeted hint reveals the next logical step without spoiling the entire puzzle. Learn while you play.
No account, no login, no internet required. All progress is stored locally on your device. Play anywhere, anytime.
Designed for dark mode from day one. Easy on the eyes during late-night sessions, with full light mode support too.
Track your win rate, best times, current streak, and performance across all difficulty levels.
Built with Flutter for buttery 60fps performance. App launches instantly, puzzles generate in milliseconds.
A minimal interface that gets out of the way so you can focus on what matters — the puzzle.
Free to download. No account required. Play offline, anytime.