MathCage: Number Logic
Math Logic Brain Trainer
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
The classic math logic puzzle. Unlimited free grids from 4×4 to 6×6. 100% offline, no ads, no subscriptions — just pure brain training.
MathCage is the classic math logic game — a fresh challenge for Sudoku fans who love numbers and reasoning. Fill the grid, satisfy every cage, and train your brain anywhere.
HOW TO PLAY
• Fill the grid with numbers (1-4, 1-5 or 1-6)
• No number repeats in any row or column
• Numbers in each cage must satisfy the arithmetic clue (+, −, ×, ÷)
• Single-cell cages show the answer directly
WHY YOU'LL LOVE IT
• Unlimited puzzles — every grid is freshly generated with a unique solution
• 3 difficulty levels: Easy 4×4, Medium 5×5, Hard 6×6
• Notes, undo and auto-save for strategic play
• Track your best times and completed games
• Clean, minimal design with satisfying haptics
• 100% offline — perfect for flights, commutes and travel
• Completely free: no ads, no subscriptions, no in-app purchases
PERFECT FOR
• Sudoku fans looking for a smarter alternative
• Daily brain training and mental math practice
• Students sharpening arithmetic skills
• Anyone who loves logic puzzles and number games
Download MathCage now and give your brain its daily workout!
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Rebranded to MathCage: Number Logic
Refined app name and metadata for clearer positioning
Improved home-screen display name across all languages
The developer, 晓 郭, 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
- 晓 郭
- Size
- 813.1 KB
- Category
- Games
- Compatibility
Requires iOS 16.0 or later.
- iPhone
Requires iOS 16.0 or later. - Mac
Requires macOS 13.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 6 more
- English, French, German, Japanese, Korean, Simplified Chinese, Spanish
- Age Rating
4+
- 4+
- Copyright
- © 2026 Xiao Guo