Memo Lock vs Simple Notes
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Memo Lock
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Control and customise every Air-2 Controller individually with ease. Assign unique features, manage user access, program keys directly on each device, and tailor settings to match your exact needs, making every controller truly unique.
Simple Notes
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No nonsense markdown note taking app Supports iCloud sync Supports MacOS and iOS No flashy features, No external servers Your notes where you want them Just simple note taking
Screenshots
Verdict
The clearest difference is in-app purchases: Memo Lock at none against Simple Notes's 1. Memo Lock also leads on update cadence (fortnightly vs monthly) and device support (3 vs 1). On price and ads 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. Simple Notes sells 1 one-off in-app purchase. Memo Lock asks for nothing beyond the download.
Memo Lock ships an update fortnightly, Simple Notes monthly. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.
| Parameter | Memo Lock | Simple Notes |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly — better | Monthly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 17.6 |
| Further details — not scored | ||
| Size | 89 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Memo International Limited | HIMON SOFTWARE LTD |
In-app purchases
Memo Lock
No in-app purchases
Simple Notes
- Support Development$1.99
