Math Duel: Mental Math Battle
Brain puzzles and live duels
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Math Duel is a math puzzle game built around mental calculation, stage progression, timed challenges, and multiplayer battles.
Start with simple problems, sharpen your speed and accuracy, then take on harder stages as you improve. Play solo, race against the clock, or enter a multiplayer room to compete with another player in real time.
Features:
- Math stages that gradually raise the difficulty
- Timed challenges for speed and accuracy training
- Multiplayer room battles with real-time solving
- Archive collection content inspired by numbers and theorems
- Strategic items such as shuffle, auto-place, and trap removal
Math Duel is made for players who enjoy math games, mental math, brain training, puzzle challenges, and competitive problem solving.
Ready for your next math duel?
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Optimized screen updates and resource loading for smoother gameplay.
Fixed purchase buttons remaining busy after cancellation and improved protection against duplicate purchases.
Updated ad presentation and layout to reduce overlap with game content.
Improved puzzle generation, significantly reduced choices that directly match the answer, and strengthened solvability checks.
Updated Advanced Pass benefits with unlimited energy while active, removed redundant energy recovery perks, and fixed duplicate daily rewards when upgrading.
The developer, HAO CHANG KUO, 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 Linked to You
The following data may be collected but it is not linked to your identity:
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- HAO CHANG KUO
- Size
- 55 MB
- Category
- Trivia
- Compatibility
Requires iOS 15.6 or later.
- iPhone
Requires iOS 15.6 or later. - iPad
Requires iPadOS 15.6 or later. - iPod touch
Requires iOS 15.6 or later. - Mac
Requires macOS 12.5 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 3 more
- English, Japanese, Korean, Traditional Chinese
- Age Rating
4+
- 4+
- Infrequent
Contests
Contains
Advertising
- In-App Purchases
Yes
- Advanced Pass Upgrade $0.99
- Advanced Pass $3.99
- Standard Pass $2.99
- Starter Pack $1.99
- Basic Tool Pack $0.99
- Energy Potion Pack $0.99
- Copyright
- © 2026 HAO CHANG KUO