Sudoku - 静心数独
Take a breath, fill the grid
Free · Designed for iPad. Not verified for macOS.
Five difficulty levels, a fresh daily challenge, smart hints, and a calm, distraction-free board. No ads, no account, fully offline.
Sudoku, made calm.
A beautifully minimal sudoku game built for focus, not clutter. Every puzzle has exactly one solution, hand-graded across five difficulty levels so the challenge always fits your mood.
FEATURES
• Five difficulties — Beginner, Easy, Medium, Hard, Expert, each with genuinely distinct challenge
• Unique solutions — every puzzle is guaranteed to have one and only one answer
• Daily Challenge — a new puzzle every day, the same for everyone
• Smart hints — stuck? Get a hint that shows you the next logical step, never a random guess
• Pencil marks — jot candidate numbers just like on paper
• Mistake tracking, undo/redo, and an auto-notes helper
• Statistics — track your best times, win rate, and daily streak
• Five calming themes and nine languages
• Fully offline — no ads, no account, no tracking. Your game stays on your device.
Take a breath and fill the grid.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, 朝军 窦, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- 朝军 窦
- Size
- 24.9 MB
- Category
- Puzzle
- Compatibility
Requires iOS 16.4 or later.
- iPhone
Requires iOS 16.4 or later. - iPad
Requires iPadOS 16.4 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Chaojun Dou