Screen Off and Lock

Name: Screen Off and Lock
Rating: 3.76 (3216 reviews)
Author: Hoang Duc Lam

LiveHoang Duc Lam6 apps · 5.8M installsToolsFree · contains adsIn-app purchases: $1.49 - $23.99 per itemdev.qt.hdl.lockscreen

The app off and locks the screen

Alert me ★ Watch Open in Play ↗

Total installs: 1,948,251
Installs / day: +704
Rating: 3.8★
Released: 7 May 2017
Last update: 28 Jul 2026
Countries: —

Installs per day

gain of the exact counter

Lifetime avg ≈ 565/day (all installs ÷ days since release)

Daily tracking since 10 Oct 2026 · history grows every day

Install history

exact counter from Google Play

3dAll

Dashed: estimate from the release date (no daily data before 10 Oct 2026) · time axis compressed before that day

Daily tracking since 10 Oct 2026 · history grows every day

Change timeline

Full history

No changes recorded yet. We compare every crawl with the previous one and list title, icon, screenshots, description, version, price and availability changes here.

Country availability

Availability has not been checked for this app yet. “Check all countries” looks the app up in about 140 Google Play storefronts and shows where it is live, listed but not installable, or missing — plus any country-specific (custom) store listings.

Top countries

estimate · charts of 13 Oct

Most downloads likely come from 🇲🇲 Myanmar (Burma) (~100%).

Myanmar (Burma)100%#170 Top free · Tools

Estimated from top-chart positions weighted by each country’s Google Play market size. Countries where the app is not in a chart are not shown, so small markets may be missing.

Top chart positions

as of 13 Oct

Chart	Country	Rank	Change
Top free · Tools	MM	#170	▲ 9
Trending · Tools	MM · 12 Oct	#194	▲ 6

App manifest

Read this app's manifest from Google Play: permissions, declared SDKs, components and AdMob app ID. Saved analysis appears here automatically.

Data safety

declared by the developer on Google Play

No data shared with third parties
Collects data Personal info and Device or other IDs
Data is encrypted in transit
You can ask for your data to be deleted

This is the developer's own declaration, summarised from the Play listing. The permissions below show what the app is technically able to access.

Permissions

6 in 2 groups

1 Sensitive1 Notable4 Routine

What this app can do with your phone

Show its own windows or bubbles on top of other apps you are using

Wi-Fi connection informationRoutine1

Access to details about Wi-Fi networks your device sees or uses

See whether Wi-Fi is on and details of the network you are connected toview Wi-Fi connections · ACCESS_WIFI_STATE

OtherSensitive5

Access to miscellaneous device features that don't fit other categories

Show its own windows or bubbles on top of other apps you are usingdraw over other apps · SYSTEM_ALERT_WINDOW
Keep your phone's processor or screen from going to sleep, which can use more batteryprevent device from sleeping · WAKE_LOCK
Check whether you are online and whether you use Wi-Fi or mobile dataview network connections · ACCESS_NETWORK_STATE
Connect to the internet to load content and send datafull network access · INTERNET
Check with Google Play that you got this app legitimatelyGoogle Play license check · com.android.vending.CHECK_LICENSE

Read more · all 6 permissions Show less

Sensitive = can reach personal data, location, camera/mic or act on your behalf. Notable = changes how your device behaves. Routine = normal for almost every app. Source: Google Play's permission list for all versions of this app.

Store listing

Download

Full description

Function: Turn off and lock the screen for your beloved handset. This function already exists on your phone, which is the power button. But because of too much pressure it will quickly become greasy and gradually damage the power button. So we write this application helps the user to share the burden on the power button (Power). Launch icon: After installation, the application will have 2 launch icons: 1. "Screen Off and Lock" is used to perform the function of turning off and locking the screen 2. "Settings" is used to set up settings and manage your Premium account. This app uses the following permissions: 1. Device Administrator permission. To uninstall Lock Screen app: 1. Turn off "Device Administrator permission" in Settings or Go to phone's Settings > Security > Device administrators > Uncheck Screen Off and Lock. 2. Go to phone's Settings > Apps > Lock Screen > Tap uninstall. 2. AccessibilityServices API: For supported phones fingerprint, to turn off and lock the screen and screen unlock operations with fingerprints on your phone device. To off AccessibilityServices: Turn off "Accessibility Service" in Settings and follow the instructions or Go to phone's Settings > Accessibility > Downloaded apps/Installed services > Screen Off and Lock > Switch off