Comparison

DDLock vs AppLock

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Unlock with smartphone
  • Eliminates physical keys
  • Convenient lock access
  • Modern security solution
Features
Read full description

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

About

AppLock

Secure your apps, photos, and notes with advanced locking mechanisms. Block distractions, customize themes, and catch intruders to protect your personal data and enhance productivity.

Highlights
  • Lock all apps
  • Distraction blocking
  • Scheduled blocking
  • Customizable themes
  • Intruder selfie
  • Private web browser
  • Hide photos, contacts, notes
Features
Read full description

Welcome to AppLock, your ultimate solution for app security and privacy protection. Crafted with robust features, AppLock ensures the security of your applications, photos, and personal notes with advanced locking mechanisms. Effortlessly safeguard your personal information and enhance productivity by easily securing apps to deter unauthorized access, thus safeguarding your personal information. With AppLock, you can confidently secure your apps and protect your personal data from prying eyes, ensuring comprehensive personal data protection and digital life protection. Create a healthier lifestyle by utilizing AppLock to block distractions and tailor a suitable schedule. Dive into a variety of lock screen themes and enjoy private browsing for added confidentiality. Rest assured, AppLock prioritizes app security and personal data protection, providing you with peace of mind in an increasingly interconnected world. Key Features: - Lock All Apps: Secure your entire collection of apps with a single password, ensuring app security and privacy protection. - Distraction Block: Quickly regain focus by effortlessly blocking distractions with just a tap, enhancing productivity and privacy. - Scheduled Blocking: Customize app usage schedules to maximize productivity and ensure app security. - Personalized Theme Customization: Customize your lock screen with themes to reflect your style and preferences, enhancing personalization, and app security. - Intruder Selfie: Catch unauthorized access attempts with a snapshot, enhancing app security and privacy protection. - Private Web Browser: Browse the web securely without leaving any traces, ensuring privacy, and app security, including secure browsing. - Hide Photos, Contacts & Notes: Keep sensitive information hidden from prying eyes, enhancing personal data protection and privacy. - Cleaner: Optimize device performance by scanning for duplicate files, ensuring smooth operation, and enhancing app security. - Password Manager: Securely store and manage passwords, ensuring app security, including data encryption, and personal data protection. - Enhance App Security & Improve Privacy Protection: AppLock continuously works to enhance app security and improve privacy protection, providing you with cutting-edge solutions to safeguard your digital life. In today's digital life, ensuring the security and privacy of sensitive applications is paramount. Trust AppLock for a reliable and intuitive solution to protect your digital life. Upgrade to AppLock Premium Protection today and experience the peace of mind that comes with enjoying premium protection features, ensuring the security of your digital life. About Permissions: Rest assured, AppLock only requests necessary permissions to ensure optimal service without compromising your privacy. Information about the auto-renewal of subscription: - Payment will be charged to iTunes Account at confirmation of purchase - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the period. - If you want to continue the service, your subscription should be continued. - Payment will be charged to iTunes Account at confirmation of purchase - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period - The account will be charged for renewal within 24-hours prior to the end of the current period. The following subscription plans are available (price may vary depending on location): – 1-week subscription – US$ 4.99 – 1-month subscription – US$ 9.99 – 1-year subscription – US$ 29.99 - You can cancel your subscription via this URL: https://support.apple.com/en-us/HT202039 Privacy Policy: https://cemsoftwareltd.com/privacyPolicy.html Terms of Use: https://cemsoftwareltd.com/term.html Support: https://cemsoftwareltd.com/contact.html

Screenshots

DDLock3 screens
AppLock4 screens

Verdict

The call

The clearest difference is rating: AppLock at 4.5 against DDLock's 2.9. AppLock also leads on update cadence (every 3 weeks vs every 4 months) and ratings volume (1.4K vs 99). DDLock's advantage is in-app purchases (none vs 7) and ads (none vs shown). On price, review sentiment 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. AppLock sells 7 in-app purchases, starting at $4.99 per 7 days. DDLock asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

AppLock holds the better App Store score, 4.5 against 2.9. That said, the two scores are not equally well evidenced: AppLock has 1.4K ratings behind it against 99, so its average is the more settled of the two. Written reviews point the same way: 20% of DDLock's written reviews are positive against 21% of AppLock's.

UpkeepUpdate frequency

DDLock ships an update every 4 months, AppLock every 3 weeks. The most recent releases landed on September 20, 2026 and September 22, 2026 respectively.

Scorecard7 real differences · 3 level
DDLock versus AppLock: the parameters behind the verdict, then further details
ParameterDDLockAppLock
PriceFreeFree
Rating2.9 (99 ratings)4.5 (1.4K ratings) — better
Positive reviews20.0% of reviews21.4% of reviews — better
Number of ratings991.4K — better
Update frequencyEvery 4 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPod, Apple Watch — betteriPhone, iPad
Requires iOS13.0 — better16.0
Further details — not scored
Size407 MB264 MB
Age rating4+17+
DeveloperShenzhen Kaadas Intelligent Technology Co.,LtdCEM SOFTWARE LTD

Customer experience

DDLock

All ratings99 ratings
Positive36.4%
Neutral17.2%
Negative46.5%
Written reviews55 reviews
Positive20.0%
Neutral27.3%
Negative52.7%

AppLock

All ratings1,417 ratings
Positive86.1%
Neutral4.0%
Negative9.9%
Written reviews42 reviews
Positive21.4%
Neutral9.5%
Negative69.0%

Bugs and requests

DDLock

Not enough reviews yet to summarise bugs or requests.

AppLock

Reported bugs

2 issues
  • App doesn't lock all apps as promised
  • App caused loss of contacts

Requested features

2 requests
  • Make the app free to use
  • Improve instructions and user interface

In-app purchases

None

DDLock

No in-app purchases

7 purchases

AppLock

Subscriptions7
  • AppLock Premium3 Days trial$4.997 Days
  • AppLock Premium$4.997 Days
  • Lock Apps Premium1 Month trial$9.991 Month
Show 4 more
  • AppLock - Lock Premium$9.991 Month
  • AppLock Yearly Subscription1 Year trial$29.991 Year
  • Sale Off1 Year trial$29.991 Year
  • App Lock Yearly Discount1 Year trial$79.991 Year

Questions

Is DDLock free?
DDLock is free to download, with no in-app purchases.
Is AppLock free?
AppLock is free to download, with in-app purchases available.
Which has better reviews, DDLock or AppLock?
AppLock is rated higher. DDLock averages 2.9 out of 5 from 99 ratings, while AppLock averages 4.5 from 1.4K ratings.
Do DDLock or AppLock have ads?
AppLock shows ads; DDLock does not.
Which is updated more often, DDLock or AppLock?
DDLock ships an update every 4 months, and AppLock every 3 weeks. Most recently, DDLock was updated on September 20, 2026 and AppLock on September 22, 2026.

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