Killer Sudoku - Brain Puzzle
Daily Math & Number Challenge
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Challenge your brain with Killer Sudoku — the advanced twist on classic Sudoku that combines logic, strategy, and math.
Every puzzle is generated fresh. Unlimited puzzles, infinite brain training.
HOW TO PLAY
• Fill the 9×9 grid so each row, column, and box contains 1-9
• Numbers in each cage must add up to the sum shown
• No repeated digits within any cage
FEATURES
• Unlimited puzzles — new puzzle every time
• 4 difficulty levels: Easy, Medium, Hard, Expert
• Smart notes system for pencil marks
• Timer with pause function
• Undo/Redo support
• Error highlighting (optional)
• Same number highlighting
• Track your statistics and best times
• Dark mode support
• No internet required — play offline
Whether you're a Sudoku master looking for a new challenge, or a puzzle lover wanting to train your brain, Killer Sudoku offers endless entertainment.
Free to play. Download now and start solving!
- Terms of Use (EULA):
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
- Privacy Policy:
https://www.notion.so/elvisccc/Sudoku-Privacy-Policy-3024f78929018097a7f6e4b057021db0
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Improved experience and stability
The developer, Junwei Zhang, 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 Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
- Usage Data
Data Linked to You
The following data may be collected and linked to your identity:
- Contact Info
- Identifiers
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Junwei Zhang
- Size
- 61.7 MB
- Category
- Puzzle
- Compatibility
Requires iOS 13.0 or later.
- iPhone
Requires iOS 13.0 or later. - iPad
Requires iPadOS 13.0 or later. - iPod touch
Requires iOS 13.0 or later. - Mac
Requires macOS 11.0 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+
- Contains
Advertising
- In-App Purchases
Yes
- Yearly Premium $14.99
- Monthly Premium $2.99
- Copyright
- © 2026 Junwei Zhang