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.