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- Turn Off Screen - Screen Lock Vs. AppLock - Fingerprint
Turn Off Screen - Screen Lock vs AppLock - Fingerprint Usage & Stats
Turn Off Screen (Screen Lock) is a small, simple, fast and beautiful app that helps you turn your phone screen off and lock it without using the power button. Most importantly, it's well-optimized for almost every single manufacturer.
If your power button is broken, this is a must-have app. Even if your power button works fine, this screen lock app is still incredibly useful — it lets you turn off the screen instantly with just one tap, protecting your power button and extending your phone's lifespan.
★ FEATURES ★
✓ Just one tap to lock screen, one tap to turn off screen
✓ FLOATING BUTTON — a screen-off button that stays on top of all apps. Drag it anywhere, tap to lock screen instantly. More convenient than ever!
✓ Works with fingerprint sensor and Smart Lock (bluetooth, trusted devices, trusted face, trusted location, on-body detection...)
✓ Turn screen off from notification panel — notification won't show on your lockscreen
✓ Various icon colors to choose from (red, orange, yellow, green, blue, indigo, purple, white, black, pink...)
✓ Support dark theme for Android 9 onwards — automatically follows system theme
✓ Works flawlessly on foldable phones
✓ Well-optimized for every single manufacturer: Samsung, Xiaomi, OPPO, Vivo, Realme, Huawei, Google Pixel...
✓ Support Widget on home screen and lock screen
✓ Adaptive icon on Android 8 onwards
✓ Turn screen off and lock IMMEDIATELY — can still unlock with fingerprint on Android 9+
★ MULTIPLE WAYS TO LOCK ★
◆ Floating Button — always visible on screen, tap to lock, drag anywhere
◆ Home Screen Icon — tap the icon to turn off screen
◆ Widget — place a lock widget anywhere on your screen
◆ Notification Panel — swipe down and tap to turn off screen quickly
★ WHY CHOOSE THIS APP? ★
◆ One-tap screen lock — faster than pressing the power button
◆ Floating button — always ready on any screen, no need to go home first
◆ Protect your power button — reduce hardware wear, extend phone life
◆ Ultra-light — no battery drain, no memory usage
◆ Free — full features, no limitations
★ PERMISSION ★
Android 9 onwards: This app requires Accessibility permission to turn screen off and lock screen as pressing power button.
Note: If the app is killed (removed from memory/force stop), that permission will be revoked and you will need to grant it again. Please don't kill this application to avoid being asked permission repeatedly.
Android 8 and below: This app uses the Device Administrator permission to turn the screen off and lock screen.
Note: Once you granted that permission, in order to uninstall the app please open the app's settings, find and tap the Deactivate button to revoke this permission first.
★ HELP, FEEDBACK and BUG REPORT ★
Please open the app, find FAQ section then tap on Feedback and bug report to send an email to the developer. Thank you.
- Google Play Store
- Free
- Tools
Usage Rank
- -
✔ Smart AppLock will lock and protect apps using a password or pattern and fingerprint(face recognition).
Lock Facebook, Instagram, TikTok, Gallery, any apps and prevent the apps from being exposed by friends, parents, snooper!
✔ In addition to lock, AppLock can catch intruders by taking a picture and even hide the fact that lock the app with fake error window!
The most advanced AppLock! try it now!
--- Main Features ---
▶ AppLock
Lock the app with a password to protect your privacy.(app locker) e.g) SMS, Messenger, Whatsapp, Snapchat, LINE and any apps
▶ Catch Intruders
If someone access your app then, take a picture, video and send to your email.
▶ Fingerprint, Face recognition
Supports convenient and powerful lock with fingerprint, face recognition.(If your device supports it)
▶ Fake Lock
You can even hide the fact that lock the app with fake error window.
▶ Notification Lock
Blocks the locked app's notification message in the top notification bar
▶ Screen Lock
Prevents the screen turns off when running certain apps.(make use of Internet, E-Book, Game)
▶ Smart Lock
Lock only specific time or auto-unlock when connected to specific WiFi or Blutooth.
▶ Multiple Password
You can set a different password for each locked app.
▶ Scalable Pattern
Scalable pattern size up to 18x18 than the existing simple 3x3 pattern.
▶ Home Screen Lock
Lock the whole phone using lock screen of AppLock instead of lock screen of system.
--- App Features ---
· The first generation AppLock and verified by 50 millions of people to download the app until now.
· The app size is just about 8MB and working fast and lightly.
· AppLock provide a variety of features and detailed options than simple feature in other app.
· Supports 32 languages.
--- Other features ---
· Support PIN, Pattern, Password, Guesture, Fingerprint, Face recognition
· Easy to lock/unlock using widget and notification bar.
· The user can decorate the lock screen. e.g) change a background the desired photo.
· AppLock supports the ability to reset a lost password.
· You can place the buttons arranged of password randomly.
· Restrict unlock attempts to prevent others continually to attempt to unlock it.
· Supports the ability to lock Incoming Call.
· Supports the ability to lock WiFi, Bluetooth.
· You can auto-lock newly installed apps.
· When running certain apps that can automatically rotate the screen (or vertical fixed).
· Guard private data, privacy and keep security and app protection/safer.
· In addition, it includes more features.
--- FAQ ---
1) How can I prevent AppLock to be uninstalled and delete?
· Please enable 'Uninstallation Prevention' option in settings, then AppLock is never uninstalled.
2) Is there a feature for forgotten password
Yes, if you set your email or security QnA, you can initialize your password when you forgot password.
3) Can't run(find) AppLock(or AppLock disappears in App Drawer)
· if you hide AppLock's Icon in options, and then AppLock will disappear. To run it, please put 'Widget' of AppLock in Widget List and click it.
4) Can't uninstall AppLock.
· Please disable 'Uninstallation Prevention' option in Settings before uninstalling AppLock.
AppLock uses Device Administrator permission.
· only used to prevent AppLock being uninstalled
AppLock uses Accessibility service.
· only for users with disabilities to lock/unlock apps and reduce battery usage
* App Name is changed from Smart App Protector.
Website : https://www.spsoftmobile.com
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- Google Play Store
- Free
- Tools
Usage Rank
#1,545
Turn Off Screen - Screen Lock vs. AppLock - Fingerprint ranking comparison
Compare Turn Off Screen - Screen Lock ranking trend in the past 28 days vs. AppLock - Fingerprint
AppLock - Fingerprint#1,545
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April 16, 2026