SUM//12
Puzzle
$0.99 · Designed for iPad. Not verified for macOS.
SUM//12 is a small, fast number game built around one simple rule: make exactly 12 without going over.
Place each incoming number into one of three columns. Hit 12 exactly to clear a column. Go over 12 and that column is lost.
Each round lasts 2 minutes and 30 seconds, so every decision is a balance between speed, calculation and risk.
Features:
2:30 score-attack rounds
Three-column number strategy
Current number plus the next two for planning
Local high score
Offline play
No ads
No accounts
No subscriptions
No tracking
Open. Play. Nothing else.
Built with substantial assistance from AI tools, with human direction, design decisions, testing and final responsibility. SUM//12 does not use AI during gameplay and does not send gameplay data to AI systems.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Iago Collarte, 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
- Iago Collarte
- Size
- 1.8 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
- Age Rating
4+
- 4+
- Copyright
- © 2026 Iago Collarte
