SUM — Quiet Math Puzzles
Logic, Numbers & Patterns
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Calm math puzzles, now with optional subtle hints when you need a gentle nudge. No timers, no ads — the aha moment stays yours.
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.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Hints are here — only when you want them. A subtle nudge can point you in the right direction while leaving the satisfying aha moment to you.
The developer, Alex van Rooijen, 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
- Alex van Rooijen
- Size
- 107.6 MB
- Category
- Puzzle
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 40 more
- English, Bengali, Catalan, Croatian, Czech, Danish, Dutch, Finnish, French, German, Greek, Gujarati, Hindi, Hungarian, Indonesian, Italian, Japanese, Kannada, Korean, Malay, Malayalam, Marathi, Norwegian Bokmål, Oriya, Polish, Portuguese, Punjabi, Romanian, Russian, Simplified Chinese, Slovak, Slovenian, Spanish, Swedish, Tamil, Telugu, Thai, Traditional Chinese, Turkish, Ukrainian, Vietnamese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- SUM Premium $3.99
- Copyright
- © 2026 Alex van Rooijen
