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

✓ 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.