GridSum
Every row and column adds up
Free · Designed for iPad
Swap tiles, solve the grid, and master the math. 20 Levels, grids from 3x3 to 6x6. GridSum is a clever new puzzle you’ll want to play again and again.
Can you turn the entire grid green?
GridSum is a clean, satisfying number puzzle where logic and intuition combine. Your goal: rearrange the numbers so every row and column adds up correctly.
How to Play
• Swap any two tiles
• Each row must sum to its last cell
• Each column must do the same
• When everything checks out, the whole grid turns green!
Why You’ll Love GridSum
• Quick to learn, challenging to master
• 20 handcrafted difficulty levels
• Stats tracking: best time, best moves, win rate
• “Give Up” shows the correct solution — never stay stuck
• No ads, no timers, just focused gameplay
Whether you’re a puzzle fan, a math mind, or just someone who loves a daily logic boost, GridSum offers endlessly replayable fun.
Download now and see how fast you can add it all up!
Ratings & Reviews
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The developer, Fabio Katz, 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
- Provider
- Fabio Katz
- Size
- 773.1 KB
- Category
- Puzzle
- Compatibility
Requires iOS 18.5 or later.
- iPhone
Requires iOS 18.5 or later. - iPad
Requires iPadOS 18.5 or later. - Mac
Requires macOS 15.5 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.5 or later.
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © Fabio Katz