Lock Screen is made and published by olalab. AppBrain is an independent app data site and isn't affiliated with olalab. The app name, icon, screenshots and description belong to olalab and are shown as published on Google Play.
AppBrain's verdict
EstablishedPopular- Total installs
- 11 million
- Rating on Google Play
- 3.79
- 19,468 ratings
- Last updated
- October 12, 2026
Lock Screen is popular, with 11 million installs. Users are divided: 3.8 stars from 19,468 ratings.
Installs
Tracked by AppBrain- Last 30 days
- 230 thousand
- Per day
- 7.5 thousand
- 30-day average
- Play install range
- 10+ million
- Launched
- December 2013
Installs over time
Lock Screen has been installed 11 million times. Over the past 30 days, it averaged 7.5 thousand installs per day.
Rankings
Google Play top chartsGoogle Play Rankings for Lock Screen
Competitors
Similar apps and more from olalabAlternatives to Lock Screen
More from olalab
Releases
Updates seen on Google Play- Version
- 2.4
- Launched
- December 2013
User feedback
Ratings and reviews on Google PlayGoogle Play Rating history and histogram
Comments on Lock Screen for Android
Technology
Found in the app by AppBrain- Ads
- No ads
- Price
- Free
- Libraries
- 13
- App size
- 2.00 MB
- Content rating
- Everyone
Technologies used by Lock Screen
About the app and developer
About Lock Screen
Lock Screen is a tools app developed by olalab.
Install Statistics
Lock Screen has been installed 11 million times. In the last 30 days, the app was installed 230 thousand times.
User Ratings
Lock Screen is rated 3.79 out of 5 stars. The rating is based on 19 thousand ratings.
App Information
Lock Screen is freely available from Google Play. The app size is 2.00 MB. The latest version available is 2.4. The last update was on October 12, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on Google Play since December 2013.
App Performance Report
Get a detailed PDF report for Lock Screen with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more
Get PDF Report — $29Developer information for olalab
Frequently asked questions about Lock Screen
Is Lock Screen free?
Yes. Lock Screen is free on Google Play.
Is Lock Screen still available?
Yes. Lock Screen is on Google Play, and the last update we saw was on October 12, 2026.
Does Lock Screen contain ads?
No. Google Play does not list Lock Screen as containing ads.
How large is Lock Screen?
Lock Screen is 2.00 MB.
Is Lock Screen suitable for children?
Google Play rates the content of Lock Screen as suitable for everyone.
How many times has Lock Screen been installed?
Google Play lists 10,000,000+ installs for Lock Screen.
How do people rate Lock Screen?
Lock Screen scores 3.79 out of 5 stars, from 19,468 ratings on Google Play.
Who made Lock Screen?
Lock Screen was developed by olalab. It is listed in the tools category on Google Play.
What are the best alternatives to Lock Screen?
People looking at Lock Screen also look at these tools apps: Screen Off and Lock, Screen Off and Lock, One Click Lock Screen, Screen Lock Plus, Screen Off.
Store listing
By olalab, from Google Play“An accessible utility to lock your phone screen without hardware buttons.”
Description by olalab Written by the developer, not by AppBrain. Click to read.
Designed for:
✓ Users with motor impairments or difficulty pressing physical hardware buttons.
✓ Extending phone hardware lifespan by offering an accessible on-screen locking method.
✓ Quick, ad-free screen locking functionality.
Prominent Disclosure & Accessibility API Usage:
This app uses the AccessibilityService API solely to perform the system-level action of turning off and locking the screen.
• Why Accessibility API is used: The AccessibilityService API allows the app to lock the screen without invalidating biometric authentication (such as fingerprint or face unlock) on Android 9 (Pie) and above.
• Data Privacy: This app DOES NOT collect, store, or share any personal or sensitive user data via the AccessibilityService API. The API is used strictly to execute the screen-lock action.
Permissions Used:
• Accessibility Service: Used exclusively to perform the screen lock action.
• Device Administrator Permission: Used on older Android versions as an alternative method to lock the device screen.
How to Uninstall:
1. Go to Settings > Security > Device Administrators > Uncheck "Lock Screen".
2. Go to Settings > Apps > Lock Screen > Tap "Uninstall".
Have questions, feedback, or bug reports? Contact us via the developer email link below!
Recent changes:
• Fixed potential app freezes (ANRs) and improved stability across devices (including Oppo, Xiaomi, and Samsung).
• Faster, instant screen locking performance with zero delay.
• Updated minimum supported Android version to Android 7.0 (API 24) for enhanced Play Protect security.
• General stability and system compatibility improvements