Dualock vs Locked Notes°
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Dualock
This app securely stores your notes by splitting them into two encrypted parts, stored separately. Access requires authentication from two specified SNS accounts, ensuring your data remains private and inaccessible to others.
- Two-part encrypted note storage
- Separate cloud storage for each part
- Dual SNS account authentication
- No password required
- Secure and private data handling
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Write your note. Leave Dualock keep it safe in the cloud. We do not use password, because password is not safe enough and hard to remember. Every note you saved here will be splited into two part. Both the parts will encrypted separately and saved separately, using a pair of SNS account you specified. To unlock your note, both accounts is needed. Only you know the pair and the order of the pair. It's safe. Even I don't know how to crack it.
Locked Notes°
Securely store your private thoughts and ideas with this app. It offers robust organization and advanced editing tools, all protected by biometric authentication for ultimate privacy. Your notes are automatically hidden and locked when the app is in the background.
- Biometric authentication (Face ID/Touch ID)
- Organize notes in folders
- Search notes and folders
- Advanced note editing
- Automatic background hiding and locking
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Keep your notes in a private and secure place. No hassle needed, just let's get started in less than a minute! Do not worry about curious eyes and leaked passwords as the app allows only biometric authentication. Key features: - Take notes in a breeze - Organize your notes in folders - Search notes and folders - Advanced note editing capabilities - Biometric authentication with Face ID or Touch ID - Automatically hide your notes while the app is in the background - Automatically lock the app while the app is in the background
Screenshots
Verdict
The clearest difference is price: Locked Notes° at Free against Dualock's $1.99. Locked Notes° also leads on ratings volume (365 vs 1) and update cadence (every 2 months vs every 4 months). Dualock's advantage is rating (5.0 vs 4.7). On ads, in-app purchases, 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
Locked Notes° is free to download; Dualock costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Dualock holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Locked Notes° has 365 ratings behind it against 1, so its average is the more settled of the two.
Dualock ships an update every 4 months, Locked Notes° every 2 months. The most recent releases landed on October 3, 2026 and October 13, 2026 respectively.
| Parameter | Dualock | Locked Notes° |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | 4.7 (365 ratings) |
| Positive reviews | — | 92.9% of reviews |
| Number of ratings | 1 | 365 — better |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 26 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Gear Zero Network Inc. | Adam Cziko |
Customer experience
Dualock
Locked Notes°
Bugs and requests
Dualock
Not enough reviews yet to summarise bugs or requests.
Locked Notes°
Reported bugs
2 issues- Inconsistent face recognition
- Notes sometimes disappearing
Requested features
4 requests- Backup and restore functionality
- Password protection for individual notes
- Ability to select and edit specific text
- Cross-device syncing
In-app purchases
Dualock
No in-app purchases
Locked Notes°
No in-app purchases
