Screen Off Timer: Screen Lock

Contains adsIn-app purchases
Content rating
Everyone
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Content rating
Everyone
In-App Purchases
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About this app

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

✓ 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

How It Works
Choose a preset time or set a custom countdown.
Grant Device Administrator permission (required only once).
Tap Start.
The app will automatically lock your screen when the timer finishes—even if you've already closed the app.
Why Device Administrator Permission?

Android requires Device Administrator permission to allow an app to lock the screen automatically. This permission is used only for locking your screen when the timer ends and for no other purpose.
Download Screen Off Timer today and enjoy a simple, reliable way to automatically lock your screen on schedule.
Automatically lock your screen after a countdown. Simple, fast, and reliable
Updated on
Aug 11, 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.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Device or other IDs
  • Data is encrypted in transit

What’s new

Fixed bugs