AppLock vs DDLock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AppLock
Securely hide your private photos and videos with a password, fingerprint, or face ID. This app offers a private browser with automatic history deletion, ensuring your sensitive media remains inaccessible to others.
- Hide photos
- Hide videos
- Password lock
- Fingerprint lock
- Face ID lock
- Private browser
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AppLock is a photo vault to protect your private photos and videos, with password, fingerprint and face ID. It has more than 400 million users in global. If you want to keep some pictures and videos safe, hide them from prying eyes, AppLock will be a trustable tool. After hiding photos and videos in AppLock, they can only be viewed with password. There is an privavy browser in AppLock. It can automatically delete the browser history. So you can search at any time and place without worry the risk of privacy leak. With AppLock, you will never worry about: the families check your photos and find your secret! the children delete important photos by mistake! friends or colleagues see the private files while borrowing the phone! the privacy risk during the phone repair! ---Feature--- Hide photos Hide videos Password lock Fingerprint lock Face ID lock No limit to the number of photos No limit to the number of albums Set album cover Private browser Random keyboard Easy to use More features are coming. Welcome to send us feedback or leave a comment. Email: support@domobile.com
DDLock
Unlock your doors using your smartphone, eliminating the need for physical keys. This app offers a more convenient and modern way to manage access to your locks.
- Unlock with smartphone
- Eliminates physical keys
- Convenient lock access
- Modern security solution
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Using the mobile phone to unlock the lock reduces the inconvenience of the user passing the entity key, and makes the lock more and more convenient to use
Screenshots
Verdict
The clearest difference is rating: AppLock at 3.6 against DDLock's 2.9. AppLock also leads on review sentiment (33% vs 20%) and ratings volume (396 vs 99). DDLock's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, update cadence, 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.
AppLock holds the better App Store score, 3.6 against 2.9. Both are backed by a comparable volume of ratings — 396 and 99 respectively. Written reviews point the same way: 33% of AppLock's written reviews are positive against 20% of DDLock's.
AppLock ships an update every 5 months, DDLock every 4 months. The most recent releases landed on September 23, 2026 and September 20, 2026 respectively.
| Parameter | AppLock | DDLock |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (396 ratings) — better | 2.9 (99 ratings) |
| Positive reviews | 32.5% of reviews — better | 20.0% of reviews |
| Number of ratings | 396 — better | 99 |
| Update frequency | Every 5 months | Every 4 months — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 66 MB | 407 MB |
| Age rating | 17+ | 4+ |
| Developer | DoMobile Co., Ltd. | Shenzhen Kaadas Intelligent Technology Co.,Ltd |
Customer experience
AppLock
DDLock
Bugs and requests
AppLock
Reported bugs
10 issues- Photos and videos deleted after app uninstall
- Data loss after phone factory reset
- Data not recoverable when switching to new device
- Album selection not showing when locking photos
- App crashes and forces exit
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- Photos stored in app disappear without explanation
- False storage full notifications
- Ads difficult or impossible to skip
- Ads appear every few seconds during navigation
- App logout issues causing permanent data loss
Requested features
9 requests- Premium subscription option to remove ads
- Cloud backup and account recovery functionality
- iCloud integration for data persistence
- Fingerprint/biometric authentication instead of password
- Multi-tab private browser
Show 4 moreShow fewer
- Actual app locking feature (not just photo locking)
- Cross-platform data synchronization
- Ad removal option or purchase
- Better album organization in gallery selection
DDLock
Not enough reviews yet to summarise bugs or requests.
In-app purchases
AppLock
No in-app purchases
DDLock
No in-app purchases
