Free
With Ads
About
SumOut is a number logic puzzle solved with simple addition.
Make each row and column add up to its target number by KEEPING the numbers you need and REMOVING the ones you don't. Easy to learn, deeply satisfying to master.
Features
- Simple rules, a real brain workout
- A fresh Daily Challenge every day
- Smart hints that teach you how to think
- Light / Dark themes
- Play offline anytime
Great for fans of Sudoku, Kakuro, cross sums and number games.
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What's New in SumOut
1.0.0
July 24, 2026





