Mental Math

Releases

• Sep 25, 2026 28
  Mental Math v28 - Added sound as a feedback option. - Added vibration as a feedback option. - Reorganized the menu with expandable categories for a more structured layout. - Added Arabic translation contributed by Eisa Ali and E Ta. Thank you! :) - Previous game settings are now preserved after Random Game or Link Game. - Fixed a bug when disabling the slider while dragging.
• Aug 15, 2026 27
  Mental Math v27 - Reorganized strings.xml files to enable translations via Weblate (https://hosted.weblate.org/projects/mental-math/) - Added Bengali translation contributed by Mahir Daiyan. Thank you! :) - Added Hungarian translation reviewed by Dóry. Thank you! :) - Added Serbian translation reviewed by Svetislav. Thank you! :) - Added Croatian translation reviewed by Ana. Thank you! :) - Redesigned the problem overview again to reduce confusion. - Improved the problem overview for problems that span multiple lines. - Added tooltips for the status icons in the problem overview.
• Jul 16, 2026 26
  Mental Math v26 - 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 as whole numbers instead of decimals.

  More…

  - Added fade effects at the top and bottom of the scrollable menu to indicate when content is scrollable.
• Jun 15, 2026 25
  Mental Math v25 - Added Italian translation contributed by zini.simons. Thank you! :) - Added Greek translation contributed by Nick Batzakis. Thank you! :) - Added German translation. - fixed bug for devices with older version of SQLite - Enable per-app language selection via Android system settings (requires Android 13 or higher) - Prepared for sound effects for correct and incorrect answers in the future. - updated dependencies
• May 3, 2026 24
  - Added French translation contributed by @mdk. Thank you! :) - Enable per-app language selection via Android system settings (requires Android 13 or higher) - Removed “Total Score” and renamed “Active Score” to simply “Score” to reduce confusion - Added tooltips to the game overview for improved clarity - Reworked the speed statistic: now displayed as time per correct answer instead of correct answers per minute - Fixed a crash when using the “About” or “Feedback” options on systems without a default browser or mail client - Added a message to the problem overview when no problems have been solved. - Renamed “task” to “problem” across the codebase for consistency - updated dependencies
• Apr 9, 2026 23
  Mental Math v23 - Input field is now clickable to switch input direction while in game - Also added a popup notification when switching input direction in game - Improved a few colors - Dependency updates
• Mar 14, 2026 22
  Mental Math v22 - Prepared the app to support translations in the future. Please consider contributing! See the "Contributing" section on the website (via the About button in the app). - Added RTL (Right-to-Left) layout support for languages like Arabic and Hebrew. The UI is still English-only, so minor text formatting issues may occur until translations are added. - Removed some unnecessary permissions.
• Feb 25, 2026 21
  Mental Math v21 - Fixed a crash that occurred after completing a game launched via an app link. - RTL (right-to-left) support has been temporarily disabled to improve layout stability. - Standardized number formatting to Western Arabic numerals.
• Feb 15, 2026 20
  Mental Math v20 - Reminder feature: Periodic reminders for mental math practice (daily, every three days, or weekly). - Notifications are sent in the evening (around 6 p.m.), unless suppressed by battery optimization settings. - Added new icon for skipped exercises in the task overview to make it clearer. - Removed the “Source Code” menu item (link is available on the About website).
• Jan 3, 2026 19 Release page →
  Mental Math v19 - improved behavior of the task overview in cases where the task and input are too long for the line - dependency updates - minor code improvements