Numbio – The Mental Math App for iPhone & iPad

What Makes Numbio the Best Math App?

Numbio is the complete package: test your speed, learn clever tricks, and play brain-boosting games, all in one place. Adaptive difficulty levels and our AI coach meet you at your level and grow with you.

Tests

Put your mental math to the test with fast, 60-second challenges. Race the clock across four difficulty levels, climb the global leaderboards and track every personal best.

One-minute challenges

Choose addition, subtraction, multiplication, division, or a random mix, then solve as many problems as you can in 60 seconds.

Leaderboards and progress

Every test is scored and saved. Compare yourself on global leaderboards, chase friends' rankings, and watch your performance trends improve over time.

Trainer

Build your skills your way. Trainer turns mental math practice into fully customizable sessions, letting you target any operation or number type. Practice on time, exercise count, or pace.

Every operation and number type

Practice eight operations, from addition and division to percentages, exponents, and square roots, across eight number types including decimals, fractions, money, and more.

Special and custom trainings

Master common problems with special trainings for times tables, word problems, equations, and fractions. Or create your own custom workouts.

Knowledge

Learn the mental math tricks the pros use. Numbio pairs quick, step-by-step shortcuts with a textbook, so you can understand the basics behind the calculations.

Tricks

Discover dozens of mental math tricks. Each shortcut comes with step-by-step examples, and an option to practice. AI helps to pick the right techniques for your level so you always learn what matters most.

Textbook

Go deeper with a structured collection of mathematical insights, packed with worked examples and notes. Bookmark your favorites and follow a clear learning path from beginner basics to advanced mental math mastery.

Games

Make practice playful with brain-teasing math games. Solve number puzzles built to sharpen logic and arithmetic, pick your difficulty, and compete with learners globally.