Amsan - Brain Ranking Battle
Education
Only for iPhone
Free · In‑App Purchases · Designed for iPhone
iPhone
Mental Math – How Fast Is Your Brain?
Sharpen your mind with a 2-minute challenge of focus and speed!
Pick your battle: addition, subtraction, multiplication, division, or a mix.
Race against the clock and solve as many problems as you can!
How high can you rank?
Join real-time brain battles and compete with players across the country!
Ratings & Reviews
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- Update Notes -
1. Default language changed
2. Other bug fixes and performance improvements
The developer, Sooho Yu, 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 Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Sooho Yu
- Size
- 100 MB
- Category
- Education
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPod touch
Requires iOS 15.1 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.
- Languages
- English and Korean
- Age Rating
4+
- 4+
- Infrequent
Contests
Contains
Gambling and Contests
- Copyright
- © 2025 Yuyeon inc.