Comparison

DDLock vs App Lock

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

App Lock

Manage screen time and enhance privacy with customizable modes for work, personal use, and parental control. Set app restrictions, use geofencing, and secure apps with passwords or biometrics. Features include intruder alerts and app disguise for added security.

Highlights
  • Parental Control (Teen Mode)
  • Multiple Modes (Work, Personal, Beast)
  • App Restrictions & Time Limits
  • Geofencing for Location-Based Locks
  • Password & Biometric Protection
  • App Disguise & Intruder Alerts
  • Widget & Dynamic Island Quick Re-lock
Features
Read full description

This is a versatile screen time management tool that offers various modes to address different needs, whether it's for parental control to prevent children from getting addicted to games or to safeguard personal privacy. FEATURES - Parental Control: Activate the Teen Mode to effectively prevent children from indulging in social media and games. - Multiple Modes: Easily switch between Work Mode, Personal Mode, and Beast Mode, adapting to different scenarios flexibly. - App Restrictions: Set time limits for specific applications. - Geofencing: Automatically restrict app usage in specific locations. - Password Protection: Securely lock specific apps with a secret code. - Biometric Recognition: Supports Face ID & Touch ID for quick app unlocking. - App Disguise: Change app icon and unlock screen style for enhanced privacy. - Intruder Alert: Automatically detect and log suspicious failed unlock attempts. - Quick Re-lock: Supports Home Screen Widgets, Lock Screen Widgets, and Dynamic Island. Quickly re-lock unlocked apps by tapping on widget or Dynamic Island. - Additional Safeguards: Prevent app installations, app deletions, in-app purchases, enable quick unlocking, and automatically restore locks, among other protective measures. MULTIPLE MODES - Work Mode: Enhance productivity by focusing on work tasks with no distractions. - Teen Mode: Prevent teenagers from getting addicted to games and other entertainment apps, ensuring their healthy growth. - Personal Mode: Protect your personal privacy by preventing unauthorized access to your apps, giving you more control. - Beast Mode: Lock all apps to fully concentrate on tasks like studying or working out, unlocking your potential. SUBSCRIPTION TERM Confirm Subscription: Payment will be charged to your iTunes account upon confirmation. Manage Subscription: You can manage or cancel your subscription in your iTunes & App Store account settings. Auto-Renewal: Your subscription will automatically renew within 24 hours before the end of the current period. To cancel renewal, turn it off at least 24 hours before the period ends. Cancellation is not allowed during the active subscription period. Free Trial: After the trial ends, your subscription will auto-renew to the Premium plan. To avoid being charged, cancel at least 24 hours before the trial ends. If you subscribe during the trial, the remaining trial period will end immediately. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://site.fastlanespace.com/app/Lock/PrivacyPolicy Give this app a try now! Prioritize privacy protection and reduce distractions, creating a healthy and secure online environment.

Screenshots

DDLock3 screens
App Lock4 screens

Verdict

The call

The clearest difference is review sentiment: App Lock at 73% against DDLock's 20%. App Lock also leads on rating (4.6 vs 2.9) and update cadence (every 2 weeks vs every 4 months). DDLock's advantage is in-app purchases (none vs 14) and ads (none vs shown). On price 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. App Lock sells 14 in-app purchases, starting at $3.99 per month. DDLock asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

App Lock holds the better App Store score, 4.6 against 2.9. That said, the two scores are not equally well evidenced: App Lock has 6.6K 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 73% of App Lock's.

UpkeepUpdate frequency

DDLock ships an update every 4 months, App Lock every 2 weeks. The most recent releases landed on September 20, 2026 and September 24, 2026 respectively.

Scorecard8 real differences · 2 level
DDLock versus App Lock: the parameters behind the verdict, then further details
ParameterDDLockApp Lock
PriceFreeFree
Rating2.9 (99 ratings)4.6 (6.6K ratings) — better
Positive reviews20.0% of reviews73.4% of reviews — better
Number of ratings996.6K — better
Update frequencyEvery 4 monthsEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPod, Apple Watch — betteriPhone, iPad
Requires iOS13.0 — better16.1
Further details — not scored
Size407 MB108 MB
Age rating4+4+
DeveloperShenzhen Kaadas Intelligent Technology Co.,Ltd友财 徐

Customer experience

DDLock

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

App Lock

All ratings6,551 ratings
Positive88.4%
Neutral3.6%
Negative8.0%
Written reviews497 reviews
Positive73.4%
Neutral5.4%
Negative21.1%

Bugs and requests

DDLock

Not enough reviews yet to summarise bugs or requests.

App Lock

Reported bugs

2 issues
  • Locked apps sometimes become unlocked randomly
  • App deletion issues, unable to uninstall

Requested features

4 requests
  • Dark mode option
  • Shortcut support for quick access
  • Ability to lock/unlock apps without opening the app
  • Improved notification handling for locked apps

In-app purchases

None

DDLock

No in-app purchases

14 purchases

App Lock

Subscriptions10
  • Monthly Membership1 Month trial$3.991 Month
  • Monthly Membership$3.991 Month
  • Monthly Membership$5.991 Month
Show 7 more
  • Monthly Membership$7.991 Month
  • Yearly Membership$9.991 Year
  • Yearly Membership$14.991 Year
  • Yearly Membership3 Days trial$14.991 Year
  • Yearly Membership3 Days trial$16.991 Year
  • Yearly Membership$18.991 Year
  • Yearly Membership3 Days trial$18.991 Year
One-time4
  • Lifetime Membership$19.99
  • Lifetime Membership$21.99
  • Lifetime Membership$27.99
Show 1 more
  • Lifetime Membership$36.99

Questions

Is DDLock free?
DDLock is free to download, with no in-app purchases.
Is App Lock free?
App Lock is free to download, with in-app purchases available.
Which has better reviews, DDLock or App Lock?
App Lock is rated higher. DDLock averages 2.9 out of 5 from 99 ratings, while App Lock averages 4.6 from 6.6K ratings.
Do DDLock or App Lock have ads?
App Lock shows ads; DDLock does not.
Which is updated more often, DDLock or App Lock?
DDLock ships an update every 4 months, and App Lock every 2 weeks. Most recently, DDLock was updated on September 20, 2026 and App Lock on September 24, 2026.

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