PiMemory vs Memorize Fast
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PiMemory
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PiMemory is a fun app to learn and memorize the digits of π. In Game Mode, you can enter numbers to challenge yourself and set high scores up to 3,000 decimal places. In Learn Mode, you can view and practice π up to 3,000 decimal places repeatedly. Key Features: - Game Mode: Challenge yourself by matching π digits using the numeric keypad (up to 3,000 decimal places) - Learn Mode: Check and practice π digits as far as you want (up to 3,000 decimal places) - High Score Management: Save and update your personal records - Intuitive UI: Optimized design for both iPhone and iPad - Ads: Banner ads for free use (privacy-compliant) Have fun memorizing π with PiMemory while improving your focus and memory skills!
Memorize Fast
This app uses mnemonic techniques to help you memorize numbers like phone numbers, PINs, and passcodes. It transforms digits into vivid images for natural recall, requiring minimal daily practice. Unlock advanced features with custom mappings.
- Memorize phone numbers and passcodes
- Remember long number sequences
- Learn Major and PAO systems
- Improve recall accuracy
- Daily practice under a minute
- Create custom number mappings (Pro)
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Stop forgetting numbers you actually need. NumMnemonic helps you memorize phone numbers, PINs, passcodes and long number sequences using proven mnemonic techniques. Instead of drilling digits repeatedly, you turn numbers into vivid images your brain remembers naturally. With NumMnemonic you can: • Memorize phone numbers and passcodes • Remember long number sequences • Learn Major and PAO systems • Improve recall accuracy • Practice daily in under a minute • Create custom number mappings (Pro) Built for practical everyday use. No ads. No noise. Just better number memory.
Screenshots
Verdict
The clearest difference is in-app purchases: PiMemory at none against Memorize Fast's 1. Memorize Fast's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Memorize Fast sells 1 one-off in-app purchase. PiMemory asks for nothing beyond the download.
PiMemory ships an update fortnightly, Memorize Fast every 9 days. The most recent releases landed on October 17, 2026 and October 15, 2026 respectively.
| Parameter | PiMemory | Memorize Fast |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Fortnightly | Every 9 days — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 11 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | Younghan Kim | Yevhen Murzik |
In-app purchases
PiMemory
No in-app purchases
Memorize Fast
- Lifetime Pro Access$4.99
