pi! vs Numery
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
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¦
Numery
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Your memory isnβt born; itβs built. Numery gives you control over everything you always forget: phone numbers, passwords, birthdays, historical factsβ¦ All using historically proven methods employed by memory geniuses. Reduce your COGNITIVE DECLINE. Counterbalance AI usage. Several scientific studies agree that the more you use your memory, the longer youβll maintain your cognitive abilities intact. Nowadays, we delegate so much cognitive processing to AI that our brains become lazier. And if we donβt act now, by the time we want to reverse the negative effects, it will be too late. What you can do with Numery: β’ Major System β turn numbers into memorable words and mental images, with clear rules. β’ Spaced repetition quizzes β review at just the right times to lock in what youβve learned without overwhelm. β’ My Numbers β save what matters to you β’ Converter and simulator β practice encoding and decoding until it becomes automatic. β’ Challenges β donβt just memorize what you already know, memorize much more. β’ Languages β Numery supports English, Spanish, French and Italian. Privacy as the foundation Your study data never leaves your devices to train models or for third-party analytics. EVERYTHING stays on your devices. Train with peace of mind. Numery is developed by an independent developer. Your feedback and suggestions help shape future updates. If you find the app useful, a rating would mean a lot. If you need technical support, want to send feedback, or just want to say hello, you can email corde.elencato-5y@icloud.com. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.numeryapp.com/privacypolicy
Screenshots
Verdict
The clearest difference is in-app purchases: pi! at none against Numery's 3. On price, ads, device support and iOS requirement 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. Numery sells 3 in-app purchases, starting at $1.99 per month. pi! asks for nothing beyond the download.
| Parameter | pi! | Numery |
|---|---|---|
| Price | Free | Free |
| Update frequency | β | Every 2 days |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad, Apple Watch β better | iPhone, Apple Watch |
| Requires iOS | 26.0 | 26.0 |
| Further details β not scored | ||
| Size | 4 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Sijun Yang | David Carlander-Reuterfelt Gallo |
In-app purchases
pi!
No in-app purchases
Numery
- Numery Pro mensual$1.991 Month
- Numery Pro β Anual3 Days trial$9.991 Year
- Numery Pro de por vida$34.99









