Math Duel: Mental Math Battle

Brain puzzles and live duels

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

Train your mental math through solo stages, timed challenges, and live room battles. Solve fast, stay accurate, and keep improving. 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?

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Settlement Screen Improvements and Multi-language Support Updates

Version 1.0.2

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

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Seller
HAO CHANG KUO
Size
55.6 MB
Category
Trivia
Compatibility
Requires iOS 13.0 or later.
  • iPhone
    Requires iOS 13.0 or later.
  • iPad
    Requires iPadOS 13.0 or later.
  • iPod touch
    Requires iOS 13.0 or later.
  • Mac
    Requires macOS 11.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
English and 3 more
  • English, Japanese, Korean, Traditional Chinese
Age Rating
4+
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
  • Learn More
Copyright
© 2026 HAO CHANG KUO
  • Developer Website
  • Privacy Policy

    • More by HAO CHANG KUO

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