Mental Math

A free mental-arithmetic trainer — daily challenges, timed tests, and the tricks behind them.

• Tests — a 60-second daily challenge plus timed sprints, marathons, and per-operation runs that track your best.
• Trainer — pick the operations and number types, set the difficulty, and go.
• Knowledge — a library of mental-math tricks with step-by-step walk-throughs and worked examples.
• Progress — accuracy, best runs, and daily streaks over time.
• Everything free — no Pro tier, paywall, or locked content.

Coming soon to the App Store. No ads, no paywalls, no accounts.