Pi — The Game
The #1 pi memorization app on the App Store. Beloved by students, teachers and math olympians since 2014.
Everything in the iPhone app
Pi — The Game is already beautifully polished on the web. The iPhone version adds all the features that make serious memorization actually feasible.
Write your own piem
Compose a poem where each word's length encodes a digit of pi. The app checks your letter counts as you type.
Voice mode
Have the digits of pi read aloud to you. Perfect for memorizing while walking, cooking or commuting.
Performance statistics
See detailed stats on your accuracy, your hottest streaks and how you're improving over time.
Sound effects
Subtle audio cues reinforce each correct digit. Memory-science-approved, and extremely satisfying.
Reverse button order
Flip the keypad layout to match your thumbs. Small detail, huge ergonomics win for long sessions.
Game Center integration
Full iOS leaderboards and achievements. Compare your progress with pi lovers around the world.
Try it in your browser first
If you're not sure yet, play the free web version — you can beat a 50-digit streak today.