SudoZen: Calm Sudoku

The most relaxing Sudoku experience on iOS. Play 4×4, 6×6, 9×9, or 12×12—at your pace, in your flow.

SudoZen is a calm, focused Sudoku game for players who enjoy logic, concentration, and a clean, distraction-free experience.

Play at your own pace with multiple board sizes (4×4, 6×6, 9×9, and 12×12) and difficulty levels from Easy to Expert. Whether you want a quick warm-up or a deep challenge, SudoZen helps you stay in flow.

Features: • 4×4, 6×6, 9×9, and 12×12 Sudoku boards • Multiple difficulty levels: Easy, Medium, Hard, and Expert • Daily Challenge • Notes mode • Hints • Undo and erase tools • Timer and progress tracking • Statistics and game history • Achievements • Clean, relaxing design

Whether you’re looking for a short brain workout, a daily logic habit, or a calm way to sharpen focus, SudoZen delivers a smooth and enjoyable Sudoku experience.

Take a breath, pick your level, and enjoy the puzzle.