Applock Pro - App Lock & Guard

Contains adsIn-app purchases
2.02M reviews
Content rating
Rated for 3+
100M+
Downloads
Content rating
Rated for 3+
Learn more
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About this app

AppLock Pro is one of the most popular app locker that you can lock your apps or photos easily.

Choose a lock model, lock apps you want. AppLock is the best way to prevent intruders who want to open your locked apps without your permission.

Your privacy is important for us. Keep your apps safe with this locking app!

FEATURES
★ Lock apps
Lock your private apps (WhatsApp, Instagram, Settings, Messages, Messenger, etc.) with a password, fingerprint(if your device supports), pattern lock, or knock code.

★ Spy Camera
When someone tries to open your locked app, AppLock takes a selfie photo from the front camera and saves it.

★ Fake Error Message
You can set additional security precautions. If you activate this setting; when locked apps are tried to be opened a fake error message is shown.

★ Hide Notifications
AppLock blocks notification of locked apps if you activate this feature.

★ AppLock Lock Timer
You can set the timer to make AppLock inactive in a certain time period.

★ Re-Lock Time
You can set re-lock time to make AppLock active.

★ Spy Alarm?
If a password is entered incorrectly 5 times, the spy alarm will be ringing loudly.

★ Customize
You can customize the theme and background style. You can choose an image from the gallery for the background.

★ Other Advanced Features
Vibration, Line visibility, System status, New App Alert, Lock recent Apps Menu. AppLock is optimized for battery and ram usage. Also, you can use AppLock without ads at a low price.

LOCK TYPES
★ Fingerprint Lock (If Your Device Support)
Fingerprint lock for your locked apps. It works if your device supports fingerprint!

★ KnockCode Lock
It is a different and powerful lock system.

★ Pattern Lock
Create a pattern by combining points.

★ Pin Lock
Create a 4-8 digit password.

▶ FAQ
★ How can I prevent AppLock to be uninstalled?
Firstly you should lock all critical apps. Secondly, you should activate "Hide Icon" in the preferences tab.

★ Why permissions are required?
AppLock contains advanced features. All necessary permissions are required to implement advanced features. For example, "Photos / Media / Files Permissions" is required to select a background image.

★ What should I do if I forget my password?
You can set a new password by using your secret answer.

★ How can I hide pictures and videos?
If you lock the Gallery app then, intruders can not see your photos and videos.

★ How works the spy camera feature?
When the intruder enters the password incorrectly 5 times, the secret answer screen is shown. After answering the secret answer, a photo from the front camera is taken & saved to the gallery.

Accessibility Service disclosure

AppLock's Website Blocker feature uses Android's Accessibility Service to block the websites you choose. When you turn on Website Blocker and grant the permission, the service reads only the web address (URL) shown in your browser's address bar in supported browsers (Google Chrome and Samsung Internet) to detect when you open a site or category you've chosen to block, and then shows a block screen instead of the page.

• It is used only for the Website Blocker feature, and only after you enable it and grant the permission.
• It reads only the address bar (the site's web address). It does not read page content, capture what you type, read your passwords, or record your screen.
• Android does not offer another way for an app to detect the page a browser is showing, so this permission is required for the feature to work.
• You can turn Website Blocker off at any time in the app, or revoke the permission at any time in Android Settings > Accessibility, which stops the service completely.
Secure your apps with lock screens, use custom themes and different features.
Updated on
14 Oct 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Location, App activity and 2 others
  • This app may collect these data types
    Location, App activity and 2 others
  • Data is encrypted in transit
  • Data can’t be deleted

Ratings and reviews

1.94M reviews
Джаред Кошкинтов-Молотов
26 January 2025
Awesome app! It's definitely free and easy to use (despite the premium version)! Definitely recommend it. Though, I only wish to have more fake app icons OR be able to upload one and change the name, as well as more natural fake error messages (an error message that looks like a standard error message depending on phone model)
9,088 people found this review helpful
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Angela
5 August 2025
Great idea for an app, but it is majorly flawed. It prevents you from authenticating payments in apps as it pops up and once you've entered your fingerprint /code the authentication option has disappeared. Additionally, it was still popping up even after I removed it from banking apps. I had to uninstall it as it was making transactions unusable.
281 people found this review helpful
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K A
8 September 2026
So many ADS. Every time I want to open my texts I have to watch the ad first. It really isn't even about just simply closing out the ad. The amount of time it takes for my biometric pw to register, then see the ad popup, finally try to clear the ad, it is so long I coukd take a nap. I would never be able to msg some fast if it were an emergency. I nearly lose my thought in the time waiting to get to the text message! It works to definitely deter you from opening the locked app!
12 people found this review helpful
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App Lock LLC
9 September 2026
We hear you — ads delaying access (especially in urgent moments) is not the experience we want. Your feedback has been shared with our team, and we're actively reviewing ad placement and frequency.

What's new

Some minor bugs have been fixed.