AppLock Pro - Lock Apps & Fingerprint App Locker
Productivity In-app purchases Contains ads
Use fingerprint, pin - password or pattern lock to secure - protect your apps.
- Rating
- 4.4
- 2M ratings
- Downloads
- 192M+
- on Google Play
- Price
- Free
- In-app purchases
- Updated
- Oct 2
- 2026 · v5.7.9
Screenshots
About AppLock Pro - Lock Apps & Fingerprint App Locker
AppLock Pro is one of the best app locker that you can lock your apps or photos easily. Just
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 (WeChat, settings, messages, messenger etc. ) with password,
fingerprint, pattern lock or knock code.
★ Spy Camera
When someone try to open your locked app, AppLock takes a selfie photo from front camera and
save it to gallery.
★ Fake Error Message
You can set additional security precaution. 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 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 password is entered incorrectly 5 times, spy alarm will be ringing loudly.
★ Customize
You can customize theme and background style. You can choose an image from gallery for
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 low
price.
LOCK TYPES
★ Fingerprint Lock
Fingerprint lock for your locked apps. It works if your device supports fingerprint!
★ KnockCode Lock
It is 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 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 Gallery app then, intruders can not see your photos and videos.
★ How works spy camera feature?
When intruder enters password incorrectly 5 times, secret answer screen is shown. After
answering the secret answer, a photo from front camera is taken & saved to gallery.
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 (WeChat, settings, messages, messenger etc. ) with password,
fingerprint, pattern lock or knock code.
★ Spy Camera
When someone try to open your locked app, AppLock takes a selfie photo from front camera and
save it to gallery.
★ Fake Error Message
You can set additional security precaution. 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 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 password is entered incorrectly 5 times, spy alarm will be ringing loudly.
★ Customize
You can customize theme and background style. You can choose an image from gallery for
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 low
price.
LOCK TYPES
★ Fingerprint Lock
Fingerprint lock for your locked apps. It works if your device supports fingerprint!
★ KnockCode Lock
It is 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 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 Gallery app then, intruders can not see your photos and videos.
★ How works spy camera feature?
When intruder enters password incorrectly 5 times, secret answer screen is shown. After
answering the secret answer, a photo from front camera is taken & saved to gallery.
User reviews
Best
Excellent
Its a good app
Amazing, works very well
Fast download
Good
Frequently asked questions
How does AppLock Pro work?
AppLock Pro allows you to lock your apps and photos with various options such as password, fingerprint, pattern lock, or knock code.
What happens if someone tries to open a locked app?
AppLock Pro takes a selfie photo from the front camera and saves it to the gallery when someone tries to open a locked app.
Can I set additional security measures?
Yes, you can set a fake error message to display when someone tries to open a locked app.
Can AppLock block notifications of locked apps?
Yes, AppLock can block notifications of locked apps if you activate this feature.
Can I set a timer for AppLock to be inactive?
Yes, you can set a timer to make AppLock inactive during a certain time period.
Can I customize the theme and background style of AppLock?
Yes, you can customize the theme and background style of AppLock. You can even choose an image from your gallery as the background.
Are there any other advanced features?
Yes, AppLock offers advanced features such as vibration, line visibility, system status, new app alert, and lock recent apps menu.
Does AppLock consume a lot of battery and RAM?
AppLock is optimized for battery and RAM usage to ensure minimal impact on your device's performance.
Can I use AppLock without ads?
Yes, you can use AppLock without ads at a low price.
What types of locks can I use with AppLock Pro?
AppLock Pro supports various types of locks including fingerprint lock (if supported by your device), knock code lock, pattern lock, and pin lock.
How can I prevent AppLock from being uninstalled?
To prevent AppLock from being uninstalled, you should lock all critical apps and activate the "Hide Icon" feature in the preferences tab.
Why does AppLock require permissions?
AppLock requires necessary permissions to implement advanced features. For example, the "Photos / Media / Files Permissions" is required to select a background image.
What should I do if I forget my password?
If you forget your password, you can set a new password by using your secret answer.
Alternatives to AppLock Pro - Lock Apps & Fingerprint App Locker
Looking for apps like AppLock Pro - Lock Apps & Fingerprint App Locker? Here are 6 similar Android apps on Google Play. The highest rated is Smart AppLock (Privacy Protec (4.6/5), and all 6 are free to download.
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Smart AppLock (Privacy Protec 4.6
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ALocker: Private App Lock 4.3
| App | Rating | Price | Installs | Last updated | Compare |
|---|---|---|---|---|---|
| AppLock Pro - Lock Apps & Fingerprint App Locker | 4.4 / 5 | Free | 100,000,000+ | Oct 2, 2026 | |
| AppLock | 4.3 / 5 | Free | 100,000,000+ | Jul 30, 2026 | Compare |
| Applock | 4.4 / 5 | Free | 5,000,000+ | Aug 20, 2025 | Compare |
| AppLock | 4.4 / 5 | Free | 10,000,000+ | Sep 13, 2023 | Compare |
| Applock - Gallery Vault | 4.1 / 5 | Free | 500,000+ | Jul 24, 2026 | Compare |
| Smart AppLock (Privacy Protec | 4.6 / 5 | Free | 10,000,000+ | May 28, 2026 | Compare |
| ALocker: Private App Lock | 4.3 / 5 | Free | 1,000+ | Oct 27, 2020 | Compare |
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