π
Pimon
The fun way to memorize the digits of Pi. Challenge your memory, earn achievements, and become a Pi master!
3.14159265358979323846...
The fun way to memorize the digits of Pi. Challenge your memory, earn achievements, and become a Pi master!
Whether you're a beginner or a Pi enthusiast, Pimon has something for everyone.
Simon for Pi! Pimon lights up the digits, can you remember them? Speak to me mode included! Pause and explore other modes, then come back and resume.
Race to type pi as fast as you can across 6 distances: 8, 20, 31, 50, 100, or Endless. One mistake ends the run. Each distance has its own leaderboard.
Type the digits of Pi from memory. How far can you go? Test your recall and beat your personal best.
Accuracy heatmaps, weak spot analysis, memorized frontier, transition analysis, chunking detection, and trend graphs. See exactly where to improve.
28 fun and engaging multiple-choice questions across 4 difficulty levels: Easy, Medium, Hard, and Expert.
Practice reciting pi with a coach who follows along on-screen. Perfect for friends, parents, or teachers. 25 digits free, unlimited with Pro.
Digits appear briefly then vanish. Type them from memory before the timer expires. A vanishing digits challenge for your memory.
Earn dozens of badges as you improve. Track your progress, unlock achievements, and share your accomplishments!
Check your stats from your Home Screen with widgets. Use Siri Shortcuts to jump right into the action.
Simple to learn, challenging to master.
Pimon plays a sequence of Pi digits with lights and sounds.
Tap the digits in the same order to match the sequence.
Each round adds another digit. How far can you go?
Explore fun facts about Pi and watch interactive animations that bring the math to life.
See why Pi is the ratio of circumference to diameter.
Random darts estimate Pi before your eyes.
Watch Pi's digits trace a path through space.
Drop needles to discover Pi through probability.
Watch an infinite series converge to Pi.
See how sine waves and Pi build any shape.
Vibrating strings reveal Pi in harmonics.
The bell curve hides Pi at its core.
The most beautiful equation in mathematics.
Pi emerging from the double-slit experiment.
Download Pimon today and start your journey to Pi mastery!
Pimon does not collect, store, or share any personal information. Your Game Center data is handled by Apple. See our Privacy Policy.
Pimon is built with accessibility in mind so everyone can enjoy learning pi. See our Accessibility page.