Mental Math Games vs FiveMinuteFox

Numbio (formerly FastMath) turns mental math into a fast, satisfying daily habit. Train arithmetic, master your times tables, and watch your calculation speed climb in just a few minutes a day. WHY NUMBIO? • Practice that adapts to you: difficulty scales from Easy to Extreme as you improve. • Bite-sized sessions for any schedule: a 60-second speed test or a full training plan. • Actually fun: turn drills into a game and keep your daily streak alive. PRACTICE EVERYTHING • Free core arithmetic: addition, subtraction, multiplication & division • Times tables, digit sums, mixed expressions & chained operations* • Word problems, equations, rule of three, fractions, GCD & LCM* • Advanced operations: percentages, squares, square roots & modulo* • Every number type: decimals, money, fractions, binary, Roman numerals & more* • Build your own custom training plans: practice exactly what you want* LEARN THE TRICKS • Step-by-step mental-math tricks and shortcuts that make hard sums easy • Practice any trick right away with a matching, ready-made drill* • A personalized "For You" feed that suggests what to learn next* PLAY & COMPETE • Brain-teasing games: Number Hunt, Magic Square, Sudoku & Mini Sudoku • Climb Game Center leaderboards and unlock dozens of achievements TRACK YOUR PROGRESS • Build daily streaks and hit personal goals that keep you coming back • Earn XP and level up through ten ranks, from Bronze to Diamond • Watch your speed and accuracy climb with detailed stats and personal bests • Set daily reminders so you never break your streak ON ALL YOUR DEVICES • Cross-device sync keeps your progress in step wherever you practice • Jump in within seconds from Home Screen and Lock Screen widgets • Family Sharing: share Numbio Pro with up to five family members • Available in 29 languages PERFECT FOR Students building arithmetic confidence • Test-takers prepping for GMAT, GRE & entrance exams • Professionals staying sharp • Parents and kids learning times tables • Anyone who loves a good number puzzle Join thousands of learners worldwide sharpening their mental math with Numbio. Questions or feedback? We'd love to hear from you at hello@numbio.com. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula Privacy Policy: https://www.numbio.com/privacy * Requires a Numbio Pro subscription.

22 of 30 levels free, no ads, no account required. Just open, play, and feel smarter at work and interviews, size up deals in real-time at lunch meetings, on the golf course, or at conferences. Built by a finance professional with 24 years of experience who has interviewed hundreds of analyst candidates. This is the daily mental math training that separates confident business leaders from everyone else. HOW IT WORKS Complete questions daily whenever you have 5 minutes. The app starts at Level 1 each day as a warm-up, then automatically progresses through 30 levels of increasingly challenging content. 30 PROGRESSIVE LEVELS • Levels 1-5: Arithmetic warm-up and multiplication up to 20x20 • Levels 6-10: Progressive multiplication practice • Level 11: Addition estimation • Levels 12-20: Progressive division practice and percentages • Levels 21-22: Hard multiplication and division • Levels 23-30: Specialized business context practice, including corporate finance, real estate, IRR/MOIC, private equity, and fixed income KEY FEATURES • Daily practice with progress tracking • Multiple estimation techniques for each problem • Detailed explanations showing various solution methods • Practice Mode for targeted skill building • Customizable settings and international number formats PREMIUM SUBSCRIPTION Premium unlocks specialty finance levels (23-30) in Daily Game and all 30 levels in Practice Mode. Privacy Policy & Terms of Use: https://fiveminutefox.com/privacy