This application offers a free, open-source platform for practicing mental arithmetic. It features timed tests, custom drills, and a comprehensive library of mental math tricks. All content is available offline without ads or paywalls.
1.1.0
September 27, 2026
New - Practice this trick: every trick in Knowledge now has a 60-second drill built just for it - Pick a difficulty for every test, from Easy to Super hard - New game: Magic Square. Make every row, column and diagonal add up to the same number Fixes - An answer typed in the last second before time runs out now counts - The Results screen no longer shows the round's close button - Removed the Sound effects switch (the app has no sounds, so it did nothing) - Better VoiceOver support and layout on iPhones with a home indicator
MoreYou were right — there was a rounding tie bug in percent and money calculations that could mark correct answers wrong. That is completely fixed in version 1.0.2, and we verified every question generator across 200,000 test cases. Give the update a try.
Mental Math focuses on practice through timed tests, custom drills, and learning specific mental math tricks. It emphasizes repetition and immediate feedback to build speed and accuracy in arithmetic.
Progress tracking includes solved totals, accuracy rates, best performance runs, and daily/longest streaks. A weekly activity view provides an overview of practice engagement.
This application does not offer formal certifications. Its focus is on skill improvement through practice and self-assessment of performance metrics.
Yes, all exercises and content within Mental Math run offline. Your progress is saved directly on your device, ensuring accessibility without an internet connection.
Mental Math is supported on iPhones and iPads, making it accessible to a wide range of Apple mobile users.
No, Mental Math is completely ad-free. The developers have committed to a user experience free from advertisements.
Mental Math has an age rating of 4+, making it suitable for young learners and adults alike who wish to practice arithmetic.
The application was last updated on July 14, 2026, with version 1.0.0. As an open-source project, updates may occur based on community contributions and developer releases.
