Kaizen Sudoku: Smart Hints
Calm design. Daily puzzles.
Free · Designed for iPad. Not verified for macOS.
Now 100% ad-free! New daily challenge available—build your streak today.
Kaizen Sudoku is the calm, 100% ad-free and completely free Sudoku game where beautiful design, smart learning, and unlimited puzzles come together—no ads, no subscriptions, no paywalls, ever. Master classic Sudoku one puzzle at a time.
Every hint teaches a real Sudoku technique—explaining why a move works instead of simply revealing the answer. Six difficulty levels from Beginner to Legend, 21 hand-crafted themes, and a distraction-free design make every game a pleasure.
LEARN AS YOU PLAY
Go beyond trial and error. Smart hints teach proven solving techniques, sharpen your logic skills, and help you become a stronger Sudoku player with every puzzle you solve.
DAILY SUDOKU CHALLENGE
A new puzzle every day. Keep your streak alive, earn monthly trophies, and make Sudoku part of your daily routine.
100% AD-FREE, COMPLETELY FREE
Every feature, every theme, and every difficulty level is unlocked from the start. No ads, no subscriptions, and no paywalls. Earn points as you solve puzzles and spend them on extra hints whenever you need them.
PLAY YOUR WAY
Pencil notes with auto-clear, undo without limits, optional mistake highlighting, detailed statistics, and Game Center leaderboards give you full control over every game. Keep multiple puzzles in progress and pick up right where you left off—even offline.
DESIGNED FOR CALM
21 hand-crafted themes with night variants, soft colors, and carefully chosen typography create a relaxing place to focus. No clutter, no interruptions—just you and the puzzle.
From your first Sudoku to your thousandth, from a quick Daily Challenge to a deep Legend puzzle, Kaizen Sudoku helps you improve while making every game enjoyable.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Now completely ad-free! Every game includes 5 free hints — get extra hints or continue after the mistake limit using your points.
The developer, SULEYMAN ATES, 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 Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- SULEYMAN ATES
- Size
- 5 MB
- Category
- Puzzle
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 10 more
- English, French, German, Italian, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish, Turkish
- Age Rating
4+
- 4+
- Infrequent
Contests
Contains
Advertising
- Copyright
- © 2026 S. Ateş

