Crescent Keys vs MemoPer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Crescent Keys
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Jumpstart your notes with: - Video-timestamped notes - Multiple tags per note Never context-switch again, with the video and your notepad in the same space.
MemoPer
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Never forget a name, face, or favorite coffee order again. MemoPer helps you build stronger personal and professional relationships by giving you a simple way to remember important details about the people you meet, from coworkers and clients to neighbors and classmates. - Capture key info about anyone: how you met, favorite topics, last conversation, birthdays, and more - Private & secure: All data is stored locally on your device — no account, no internet required - Fast & simple: Add entries in seconds with a clean, distraction-free interface - Perfect for professionals, teachers, community leaders, caregivers, or anyone who wants to be more thoughtful MemoPer is your personal memory for people. Treat every connection with care and never blank on a name again.
Screenshots
Verdict
The clearest difference is update cadence: Crescent Keys at fortnightly against MemoPer's every 2 months. Crescent Keys also leads on iOS requirement (11.0 vs 15.1). On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
Crescent Keys ships an update fortnightly, MemoPer every 2 months. The most recent releases landed on September 15, 2026 and September 20, 2026 respectively.
| Parameter | Crescent Keys | MemoPer |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 4 MB | 54 MB |
| Age rating | 9+ | 4+ |
| Developer | Quoc Dat Nguyen | Daniel Grijuela |
In-app purchases
Crescent Keys
No in-app purchases
MemoPer
No in-app purchases
