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SUM — Quiet Math Puzzles

A quiet game of noticing
Alex van Rooijen · Games
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App info

Developer
Alex van Rooijen
Category
Games, Puzzle
Released
Sep 7, 2026
Version
1.0.12 (Oct 20, 2026)
Price
Free
Size
110.1 MB
Requires
iOS 15.0
Age rating
4+
Languages
English, Bengali, Catalan, Croatian, Czech, Danish, Dutch, Finnish, French, German, Greek, Gujarati, Hindi, Hungarian, Indonesian, Italian, Japanese, Kannada,…

In-app purchases

SUM Premium$3.99
Current prices, App Store US.
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About SUM — Quiet Math Puzzles

SUM is a quiet puzzle game about seeing mathematical relationships. Move, compare and arrange mathematical pieces until the idea behind each puzzle becomes clear. There are no timers, scores, streaks or advertisements — only space to look, notice and understand. Explore the first two sets for free. Unlock Premium once to continue through the complete collection of puzzles and mathematical cards.
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