LOCK MEMO vs Completely Private Notes
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LOCK MEMO
This app offers a straightforward way to create and manage private notes with robust passcode protection. It's designed for intuitive use, requiring no complex setup to keep your personal information, ideas, and daily entries secure and organized.
- Passcode protection
- Create and edit notes
- Folder management
- Search notes
- iCloud backup
- Adjustable font size
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LOCK MEMO is a simple and secure note app with password protection. Designed with simplicity in mind, anyone can use it intuitively without complicated steps. No complex setup is required. Start using it today. ※ Password protection must be enabled in settings. ** Features ** • Create and edit notes • Passcode protection • Adjust font size • Character and line counter • Search notes • Folder management • iCloud backup • URL scheme (pwmm:) Perfect for storing private information, ideas, daily notes, and personal content securely. Keep your notes safe and organized with LOCK MEMO. ■ Terms of Use https://eeggs.jp/terms-of-use-en
Completely Private Notes
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A quiet place for notes you want to keep to yourself. Completely Private Notes stores encrypted text and images only on your iPhone. Pay once. No subscriptions. • No server communication, accounts, ads or analytics • A 6–12 digit PIN and optional Face ID • Up to five encrypted images per note • A private camera that does not save shots to Photos • Search your notes and write immediately • Automatic locking when the app becomes inactive • No cloud sync, backup or export IMPORTANT There is no PIN reset, data recovery or transfer to a new device. Forgetting your PIN, losing your device or deleting the app can make your notes permanently inaccessible. Ten incorrect PIN attempts erase the encryption key and content. Protection does not extend to a compromised or jailbroken device, viewing or screenshots while unlocked, or originals imported from Photos or iCloud. Only the copy stored inside the app is encrypted. Face ID is optional; if enabled, anyone able to pass the device’s Face ID authentication may unlock the vault. Available in English, Japanese, German, Spanish, French, Italian, Korean, Portuguese, Russian and Simplified Chinese. Additional information: You can create, view and edit notes without an internet connection.
Screenshots
Verdict
The clearest difference is price: LOCK MEMO at Free against Completely Private Notes's $1.99. Completely Private Notes's advantage is in-app purchases (none vs 1) and ads (none vs shown). On 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
LOCK MEMO is free to download; Completely Private Notes costs $1.99 up front. LOCK MEMO sells 1 in-app purchase, starting at $0.99 per month. Completely Private Notes asks for nothing beyond the download.
LOCK MEMO ships an update monthly, Completely Private Notes fortnightly. Both last shipped on October 29, 2026.
| Parameter | LOCK MEMO | Completely Private Notes |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 4.7 (496 ratings) — better | — |
| Positive reviews | 74.5% of reviews | — |
| Number of ratings | 496 — better | — |
| Update frequency | Monthly | Fortnightly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 33 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | EasterEggs | SOTEN, LLC. |
Bugs and requests
LOCK MEMO
Reported bugs
6 issues- Notes disappearing from folders
- Edit function becomes unavailable
- App incompatible with newer iOS versions
- Touch ID not functioning despite advertised
- Password recovery issues
Show 1 moreShow fewer
- App crashes or freezes
Requested features
9 requests- Alphabetical sorting of notes
- Search functionality
- Touch ID/biometric authentication
- Text formatting options (bold, underline, italics)
- Ability to share or export notes
Show 4 moreShow fewer
- Picture upload capability
- Increased storage space
- Option to purchase ad-free version
- Dark mode option
Completely Private Notes
Not enough reviews yet to summarise bugs or requests.
In-app purchases
LOCK MEMO
- Premium Plan$0.991 Month
Completely Private Notes
No in-app purchases
Questions
Is LOCK MEMO free?
Is Completely Private Notes free?
Do LOCK MEMO or Completely Private Notes have ads?
Which is updated more often, LOCK MEMO or Completely Private Notes?
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