Sumnum
The daily sum puzzle
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
A new number puzzle every day. Select the right cells so every row and column
hits its target sum. Simple rules, satisfying logic.
Sumnum is a clean number puzzle with one rule: select cells in the grid so
that every row and column adds up to its target.
Each puzzle has exactly one solution - no guessing, just logic.
HOW TO PLAY
Tap a cell to select it or mark it as discarded. Get every row and column
sum exactly right to win. Made a mistake? Undo as many times as you need.
FEATURES
• Daily Puzzle - a fresh challenge every day with streak tracking
• Three difficulty levels: Easy (5×5), Normal (7×7), Hard (9×9)
• XP and leveling system - earn experience with every solve
• Full undo support
• Per-difficulty stats to track your progress
• Dark mode
• No ads
If you like Sudoku or Kakuro, you'll feel right at home.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Achievements - 19 achievements to unlock!
New cell tap animations and more!
The developer, Tamir Cafrie, 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
- Tamir Cafrie
- Size
- 17.7 MB
- Category
- Puzzle
- Compatibility
Requires iOS 13.0 or later.
- iPhone
Requires iOS 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+
- Copyright
- © 2026 Cafrie