Sudoku Master: Killer Daily
Diagonal, Irregular, Offline
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Classic, killer, diagonal, and irregular sudoku in one app. Daily challenge, offline play, smart hints — from 4×4 grids to expert logic puzzles.
Sudoku Master packs classic sudoku, killer sudoku, diagonal sudoku, irregular sudoku, and more into one app — with a fresh daily challenge and full offline play.
Switch between puzzle styles without installing a separate app for each: classic 9×9 grids, killer cages, X-sudoku diagonals, windoku windows, comparison clues, odd-even rules, jigsaw irregular regions, anti-knight, and anti-king constraints.
Sudoku variants
• Classic Sudoku
• Killer Sudoku
• X-Sudoku (Diagonal)
• Windoku
• Comparison Sudoku
• Odd-Even Sudoku
• Irregular Sudoku (Jigsaw)
• Anti-Knight Sudoku
• Anti-King Sudoku
Play on 4×4, 6×6, or 9×9 grids with four difficulty levels from easy to expert. Smart hints, notes, error checking, auto-save, undo, stats, and achievements help you improve at every variant.
Light, soft, and dark themes. Clean interface with optional sound and haptic feedback.
For daily players, killer sudoku fans, and anyone who wants more than one sudoku type in a single app.
Ratings & Reviews
• Easy difficulty is now free for all Sudoku variants
• Sign in with Google to sync Premium benefits across devices
• Improved login, trial, and purchase experience
• Bug fixes and performance improvements for better stability
The developer, Yu Liu, 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 Linked to You
The following data may be collected and linked to your identity:
- Purchases
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Yu Liu
- Size
- 43.8 MB
- Category
- Puzzle
- Compatibility
Requires iOS 15.6 or later.
- iPhone
Requires iOS 15.6 or later. - iPad
Requires iPadOS 15.6 or later. - iPod touch
Requires iOS 15.6 or later. - Mac
Requires macOS 12.5 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 11 more
- English, French, German, Hindi, Italian, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish, Vietnamese
- Age Rating
9+
- 9+
- Contains
Advertising
- In-App Purchases
Yes
- Premium version lifetime unlock $6.99
- Sudoku Unlock by Year $24.99
- Sudoku Unlock by Month $3.99
- Copyright
- © 2026 Amy