Math Gym is a free mental-math practice app with 305 levels across 11 categories, private rooms, equations, determinants, mini games, and 60-second speed drills. It helps students and professionals build faster number sense for exams and everyday work.

Yes - every level, every game mode, and private rooms are free to use. There are no paywalled workouts.

Math Gym helps with quantitative sections of SAT, ACT, GRE, GMAT, JEE, CAT, UPSC CSAT, SSC, GCSE, A-Levels, 11 Plus, Abitur, Gaokao, CSAT/Suneung, Math Olympiad, AMC, Kangaroo, NTSE and BMO.

Yes. Math Gym is a Progressive Web App, so any modern mobile browser works. You can add it to your home screen for a full-screen app-like experience.

Arena rounds pair signed-in players by skill in the background. Private rooms can be created or joined as a guest with an invite code or link.

Yes. The categories scale from primary-school arithmetic through determinants and equations, so adults can use it as a daily five-minute calculation workout.