Easy as Pi vs pi!

Easy as Pi is a tool to help you test your knowledge of pi digits. Pi is a constant and is represented by the Greek letter π. This tool can help you test the number of digits that you are able to recall as you practice.

How many digits of π can you memorize? π Memorizer helps you learn and recall the digits of pi using a simple, focused approach: see the digits, hide them, type them back. No gimmicks — just effective memorization. LEARN • Study digits in customizable chunks of 5, 10, or 20 • See the digits, then hide and input them from memory • Pick up right where you left off — progress saves automatically • Browse all 10,000 digits with your learned positions highlighted • Tap any group to jump to that position and start practicing TEST • Type digits of π from memory as fast as you can • Timer starts on your first tap — no pressure until you're ready • See your entered digits organized in clean, readable groups • Wrong digit? Game over. See exactly where you went wrong and what the correct digit was • Beat your personal record and track your improvement STATS • Personal best record, learning progress, current streak • Average speed (digits per second), total sessions, and practice time • Full session history to review past attempts APPLE WATCH • Quick-test on the go with a compact numpad • Best record syncs with your iPhone via WatchConnectivity DESIGNED FOR APPLE • Liquid Glass design language — beautiful on iOS 26, iPadOS, and macOS • Apple Pencil Scribble support on iPad — write digits by hand • iCloud sync keeps your progress across all your devices • Haptic feedback on every tap for a satisfying input experience Whether you're a math enthusiast, a memory athlete, or just curious how far you can go — π Memorizer is your companion for the journey from 3.14 to 3.14159265358979323846…