Pi Score Challenge vs pi!
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Pi Score Challenge
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Unlock the Secrets of Pi! Get ready to challenge your mind with the ultimate Pi app. Pi Score Challenge is designed to test your memory and enhance your knowledge of the infinite digits of Pi. Whether you're a math enthusiast or just curious, this app offers an engaging and interactive way to sharpen your skills. Dive into a variety of levels, from beginner to expert, and track your progress as you learn more each day. Start improving nowβjust in time for Pi Day! Challenge your family and friends, see who can memorize the most digits. Download today and transform your numerical memory into a Pi Score!
pi!
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How many digits of Ο can you memorize? Ο 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 β just effective memorization. LEARN β’ Study digits in customizable chunks of 5, 10, or 20 β’ See the digits, then hide and input them from memory β’ Pick up right where you left off β progress saves automatically β’ Browse all 10,000 digits with your learned positions highlighted β’ Tap any group to jump to that position and start practicing TEST β’ Type digits of Ο from memory as fast as you can β’ Timer starts on your first tap β no pressure until you're ready β’ See your entered digits organized in clean, readable groups β’ Wrong digit? Game over. See exactly where you went wrong and what the correct digit was β’ Beat your personal record and track your improvement STATS β’ Personal best record, learning progress, current streak β’ Average speed (digits per second), total sessions, and practice time β’ Full session history to review past attempts APPLE WATCH β’ Quick-test on the go with a compact numpad β’ Best record syncs with your iPhone via WatchConnectivity DESIGNED FOR APPLE β’ Liquid Glass design language β beautiful on iOS 26, iPadOS, and macOS β’ Apple Pencil Scribble support on iPad β write digits by hand β’ iCloud sync keeps your progress across all your devices β’ 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 β Ο Memorizer is your companion for the journey from 3.14 to 3.14159265358979323846β¦
Screenshots
Verdict
The clearest difference is in-app purchases: pi! at none against Pi Score Challenge's 1. Pi Score Challenge's advantage is iOS requirement (13.0 vs 26.0). On price, ads and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Pi Score Challenge sells 1 one-off in-app purchase. pi! asks for nothing beyond the download.
| Parameter | Pi Score Challenge | pi! |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly | β |
| Ads | No | No |
| In-app purchases | Yes | No β better |
| Devices | iPhone, iPod | iPhone, iPad, Apple Watch β better |
| Requires iOS | 13.0 β better | 26.0 |
| Further details β not scored | ||
| Size | 39 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Lee Cooper | Sijun Yang |
In-app purchases
Pi Score Challenge
- Slice of Pie$5.00
pi!
No in-app purchases








