Screen Off Timer: Screen Lock

Screen Off Timer Automatically lock your screen after a countdown with just one tap. Whether you're reading, watching videos, studying, or falling asleep, Screen Off Timer helps save battery and protect your device by locking the screen exactly when you want. Key Features ✓ Automatically lock the screen when the timer ends ✓ Mute media volume when the timer ends (Optional) Automatically silence music, videos, and other media when the timer finishes. ✓ Enable Do Not Disturb when the timer ends (Optional) Automatically enable Do Not Disturb to help prevent unwanted interruptions. ✓ One-tap quick presets: 1 minute 5 minutes 10 minutes 15 minutes 30 minutes 45 minutes 1 hour 2 hours 3 hours ✓ Set unlimited custom countdown times (Pro) ✓ Simple and intuitive interface ✓ Continue working after closing the app ✓ Works with any app ✓ Lightweight and battery friendly ✓ Optional vibration and sound ✓ Multiple language support Perfect For • Reading before bed • Watching videos • Listening to podcasts • Studying • Saving battery • Automatically locking your phone after a selected time • Silencing media when falling asleep • Avoiding notifications and interruptions at bedtime How It Works Choose a preset time or set a custom countdown. Grant Accessibility permission (required only once). If you enable Mute Media Volume or Do Not Disturb, grant the required permission when prompted. Tap Start. The app will automatically apply your selected actions when the timer finishes—even if you've already closed the app. Why Device Administrator Permission? Android requires Device Administrator permission to allow Screen Off Timer to automatically lock and turn off your screen when the timer expires. This permission provides a secure and reliable way for the app to lock your device without requiring access to your screen content or other personal information. This permission is used strictly for locking your device when the timer expires. We do not access, monitor, collect, or store any personal data or screen content. Why Do Not Disturb Access? Android requires your permission to allow Screen Off Timer to enable Do Not Disturb automatically. This access is used only when you choose the Do Not Disturb option and can be revoked at any time from your device settings. Download Screen Off Timer today and enjoy a simple, reliable way to automatically lock your screen and manage media and interruptions on schedule