- Latest version
- 26
- Updated
- 2026-07-19
- Requires
- Unknown
- Architectures
- Universal
- Older versions
- 3
- Target SDK
- Unknown
- Install format
- APK
- Source
- fdroid
About this app
Practice mental arithmetic solo or compete with friends.
Screenshots
What's new in the latest version
- Added Russian translation contributed by Alexej Melcher. Thank you! :)
- Redesigned the problem overview to reduce confusion.
- Added an option to display math problems vertically instead of horizontally.
- The layout can also be changed during gameplay by tapping the math problem.
- Added a menu option to open the app language settings.
- Added rank display next to score in the overview for Top 10 results.
- Made the score based on milliseconds instead of seconds.
- Scores are now displayed a
Permissions(4)
POST_NOTIFICATIONSWAKE_LOCKRECEIVE_BOOT_COMPLETEDDYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Version archive(3)
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