Lock Notes Pro vs Don't Forget
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lock Notes Pro
Securely store and protect your private notes with password or Touch ID access. This app allows you to keep sensitive information like passwords, secrets, and diaries safe from unauthorized viewing. It offers features like iCloud backup and syncing, image insertion, and printing.
- Password and Touch ID protection
- iCloud backup and sync
- Insert images and photos
- Print notes
- Sort and customize notes
- Security question recovery
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A SINGLE PURCHASE COVERS ALL YOUR IPHONE AND IPAD DEVICES. FINALLY AN APP FOR ALL YOUR PRIVATE NOTES! Keep your most valuable, private, and secret notes away from prying eyes. Keep them all totally secret and safe. Store passwords, secrets, contacts or just keep your diary private. KEY FEATURES: • Use Touch ID or passcode to safely lock access to your private notes. • Set a security question and answer in case you forget your passcode. • Safely Backup your valuable notes to iCloud. • Quickly Sync notes between iPhone & iPad with iCloud. • Sort notes list by name, date or manual. • Select notes font style and size. • Insert images & photos into notes. • Print your notes. • Send notes via text message or email. • Save notes to Camera Roll. • Support for Emoji Emoticons. Terms of use: http://www.katans.com/terms-of-use Privacy policy: http://www.katans.com/privacy-policy
Don't Forget
Quickly view your notes and reminders directly on your device's lock screen. Never miss an important task or thought with instant access to your memos without unlocking your phone.
- View memos on lock screen
- Instant access to notes
- No unlocking required
- Simple and intuitive design
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Check your memos on the lock screen.
Screenshots
Verdict
The clearest difference is price: Don't Forget at Free against Lock Notes Pro's $9.99. Don't Forget also leads on in-app purchases (none vs 1). Lock Notes Pro's advantage is update cadence (every 2 weeks vs every 6 months) and rating (4.6 vs 4.3). On review sentiment, ads 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
Don't Forget is free to download; Lock Notes Pro costs $9.99 up front. Lock Notes Pro sells 1 in-app purchase, starting at $14.99 per year. Don't Forget asks for nothing beyond the download.
Lock Notes Pro holds the better App Store score, 4.6 against 4.3. That said, the two scores are not equally well evidenced: Lock Notes Pro has 270 ratings behind it against 16, so its average is the more settled of the two. Written reviews point the same way: 82% of Lock Notes Pro's written reviews are positive against 78% of Don't Forget's.
Lock Notes Pro ships an update every 2 weeks, Don't Forget every 6 months. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.
| Parameter | Lock Notes Pro | Don't Forget |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | 4.6 (270 ratings) — better | 4.3 (16 ratings) |
| Positive reviews | 82.3% of reviews — better | 77.8% of reviews |
| Number of ratings | 270 — better | 16 |
| Update frequency | Every 2 weeks — better | Every 6 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 8 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | JulyApps Ltd | BongGyun KIM |
Customer experience
Lock Notes Pro
Don't Forget
Bugs and requests
Lock Notes Pro
Reported bugs
3 issues- Crashes after iOS updates
- Unable to edit or update notes without losing data
- Syncing issues between devices
Requested features
4 requests- Add checklist functionality
- Implement a recycle bin for deleted notes
- Improve syncing and backup options
- Add more customization options for font, layout, etc.
Don't Forget
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Lock Notes Pro
- Auto Backup$14.991 Year
Don't Forget
No in-app purchases
