CompareOpen in Google PlayApp info
- Installs
- 100+
- Category
- Education
- Content rating
- Everyone
- Version
- 1.0.0
- Released
- Aug 14, 2026
- Last updated
- 18 Aug 2026
- In-app purchases
- No
- Contains ads
- Yes
- Promo video
- No
- Requires Android
- 7.0
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What's newin version 1.0.0
Sharpen your mental math! Learn quick speed-math tricks, practice with smart difficulty that adapts to you, and watch yourself get faster every day. Challenge mode, exam presets, fractions & more. 100% offline. No sign-up.
About this app
Learn speed-math tricks. Adaptive drills. Watch yourself get faster. Offline.
Read full description
Sharpen your mental math — no calculator, no sign-up, 100% offline. Mental Math Trainer teaches you real speed-math techniques, then drills them at the right difficulty for you. You always know you're improving: charts show your solve time and accuracy trending up. WHAT YOU GET • Core practice: addition, subtraction, multiplication, division • Speed tricks: multiply by 11, subtract from 1000, square numbers ending in 5, and more — each with a quick 20-second lesson • Exam-style drills: ratios, simple interest, multi-step problems • Fractions & decimals: practice with a smart keypad • Adaptive difficulty that finds your edge (not too easy, not too hard) • Challenge mode and GMAT-style exam presets for serious prep • Progress charts, streaks, and personal bests • Calibration onboarding so day one feels right for your level BUILT FOR • Competitive exam students (GMAT, GRE, aptitude tests) • Adults who want to keep their brain sharp • Parents helping kids build number confidence • Speed-math and Vedic math fans PRIVACY & OFFLINE All practice data stays on your device. No account required. Works on a plane. Remove Ads available as a one-time purchase.