# OFF (Screen Off / Screen Lock)

> Protect your power button, reduce power button usage (Non-Fingerprint phone)

Canonical page: [https://chrome-stats.com/d/us.stanwu.screenoff](https://chrome-stats.com/d/us.stanwu.screenoff)

## Overview

- **ID:** `us.stanwu.screenoff`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** stanwu.org
- **Category:** TOOLS
- **Downloads:** 301,713
- **Rating:** 4.19 / 5 (1,317 ratings)
- **Version:** 1.11
- **Last updated:** 2017-09-24
- **First published:** 2015-12-16
- **Publisher country:** TW
- **Data as of:** 2026-09-14
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=us.stanwu.screenoff)
- **Website:** [https://www.stanwu.org](https://www.stanwu.org/)
- **Privacy policy:** [https://stanwu.org/appprivacy](https://stanwu.org/appprivacy)

## Description

**OFF (Screen Off / Screen Lock)** is a specialized Chrome extension designed for non-fingerprint phones to protect the power button from intensive use. It offers an alternative soft screen lock button that helps reduce the frequency of pressing the physical power button, prolonging hardware lifespan.

This app requires device administrator privileges to lock the screen and is optimized for minimal resource consumption—exiting automatically to save RAM and CPU power. It's completely ad-free and user-friendly, with helpful YouTube tutorial videos provided for setup and unlocking guidance. If your device lacks built-in double click lock or leather cover lock features, OFF serves as a perfect lightweight solution.

For users with fingerprint unlock issues, an alternative app is recommended. OFF encourages user feedback and suggestions to improve functionality continuously, emphasizing user satisfaction.

## Rankings

- #129,938 — Overall

## Review summary

Users praise the app for quick one-tap screen locking, ease of use, and an ad-free experience with generally reliable performance. However, multiple reviews report uninstall problems where the app cannot be removed. Biometric/fingerprint unlock is often disrupted, raising security concerns. Some devices and smart-lock integrations experience compatibility issues, and occasional not-working behavior is noted. Overall, the app is valued for simplicity and reliability by many, but uninstallability and biometric compatibility are significant drawbacks.

### Pros

- One-tap, fast screen lock that works reliably
- Easy to use / simple interface
- Ad-free experience (no ads)
- Consistently performs as expected
- Lightweight, focused app for screen off/lock

### Cons

- Cannot uninstall / app cannot be removed easily
- Interferes with biometric/fingerprint unlock (Android 9) / security concerns
- Incompatible with some smart locks / devices
- Not always working properly on certain devices

## Similar extensions and apps

- [Screen Off and Lock](https://chrome-stats.com/d/screenoffandlock.tatmanhinhvakhoa.lockscreen.khoamanhinh) — 376,788 users, 3.67 / 5
- [Screen Off and Lock - Just Tap](https://chrome-stats.com/d/com.screen.offlock) — 94,110 users, 4.00 / 5
- [Screen Off](https://chrome-stats.com/d/nl.matthijsvh.screenoff) — 6,818,279 users, 3.91 / 5
- [Screen Off](https://chrome-stats.com/d/com.app.lockscreen) — 17,542 users
- [Screen Off and Lock](https://chrome-stats.com/d/dev.qt.hdl.lockscreen) — 1,930,288 users, 3.80 / 5
- [Screen Off - One Tap Lock](https://chrome-stats.com/d/com.screenoff.screen_off) — 34 users
- [Screen Lock(off screen)](https://chrome-stats.com/d/com.onetouch.clicklock) — 288,924 users, 3.87 / 5
- [Screen Lock](https://chrome-stats.com/d/com.conan.lockscreen) — 1,495 users
- [Lock on Touch](https://chrome-stats.com/d/com.dapps.lock) — 3,757 users
- [Smart Screen Lock](https://chrome-stats.com/d/com.smartscreensleepmode) — 128 users
- [OFF](https://chrome-stats.com/d/com.jinnyray.screenonoff) — 1,863 users
- [Mobile Screen Off](https://chrome-stats.com/d/com.purv.mscreenoff) — 130 users

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Source: [Chrome-Stats](https://chrome-stats.com/d/us.stanwu.screenoff)