Smart lock screen Downloads & RevenueSmart lock screen · Google Play
Not in a tracked Google Play top chart right now.
Updated 2 Nov 2026 · rankings refresh through the day
Developerhighsecure
CategoryTools
PriceFree
Released
Installs5M+
Rating★ 4.0 (12k)
Updated
Content ratingEveryone
Full timeline · 3 events
- 🆕Smart lock screen first spotted by AppInsiderUnited States (found via similar)
- 📦Smart lock screen version 1.5.1Bug Fixes & Performance Improvements
- 🆕Smart lock screen released on Google Play
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
4.0 ★
12k ratings
Measured
Smart lock screen on Google Play
App details
App ID
com.highsecure.smartlockscreen.passcode
Publisher
Nguyễn Văn Hà
Publisher country
Vietnam
Content rating
Everyone
Smart lock screen downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Google Play shows an exact lifetime install count; downloads per day are its daily change (measured). When Play hasn't refreshed the count, they come from new ratings and Top Free chart positions. Confidence is the chance the real number is within half to double ours.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
In-app revenue
Worldwide, what users spend in Smart lock screen before Apple and Google take their fee.
How this is calculated
Not on any Top Grossing chart: monthly active users × spend per user for its category, measured on the charted apps nearest the bottom of the charts.
Business model: Ad-led
How Smart lock screen makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds
One-off purchases
/mo
of revenue
Ads
/mo
of revenue
Where it ranks on Google Play
Every top 200 chart it appears in across 23 countries.
| Country | Charts | Rank |
|---|---|---|
| Not in a Google Play top chart right now. | ||
Ratings
Google Play, worldwide.
Rating
4.0 ★
12k ratings
Measured
Ratings
12k
Measured
Written reviews
156
Measured
About Smart lock screen
Lock screen with many types of lock passwords, auto-change wallpaper
★ Lock Screen is a smart application that prevents unauthorized users from accessing your device and protects your personal information on the phone in the safest way. Lock Screen provides many different lock types such as passcode - fingerprint - timed password to meet personal security needs, and suitable for all users of different ages.
★ Lock password up to 6 characters in combination with fingerprint lock feature which can bring you maximum security and convenient experience. Moreover, the advanced fingerprint recognition technology will protect your phone's privacy the best today.
👉Password management:
- Is a password management feature, which provides many different lock types that you can install to enhance privacy security, device security, and also make it more convenient for users.
- Change your password easily
- With Lock Screen, you can set many types of passwords at the same time such as master lock screen, screen lock with current time, screen lock in combination with your password with the current hour-minute - date, or lock screen with a temporary password.
- Time-based lock screen types help you still have high security without needing to remember too many numbers. Different device access times require entering a different password on the lock screen. Because even if someone sees the password you entered during that time, they cannot access your device, which will increase the security.
- Lock screen with a temporary password is when you want to let someone use your device for a short time, set up and provide a temporary password for them to make it more convenient when they use your device. After a certain time, the temporary password will be ineffective and that person will not be able to access your device any more. This function is suitable for parents who often let their children use their phones for a whike. The app will help you manage and control your device and your child's phone usage time.
👉Lock screen wallpapers – Auto-change wallpapers:
- You can optionally change the wallpaper from the available photo library or upload your own photo, creating interesting experiences and feelings when unlocking the screen.
- With the auto-change wallpaper feature, it will stimulate your vision every time you unlock the screen because each time you open it, there will be a different image, giving you a feeling of fresh.
- The lock screen provides many beautiful wallpapers with themes of Nature, Landscapes, Galaxy, Space, etc., you can freely choose what you like.
👉Fake icon:
- Use fake icons to replace the regular lock icons so that others don't recognize that it is a lock screen application.
- There are many different fake icons such as camera, music, clock, weather, etc. All are familiar icons that will make no suspiciousness or curiosity.
- Screen lock provides a fake-icon-feature to maximize the security in case someone knows your screen lock
★ Lock Screen is a smart application that prevents unauthorized users from accessing your device and protects your personal information on the phone in the safest way. Lock Screen provides many different lock types such as passcode - fingerprint - timed password to meet personal security needs, and suitable for all users of different ages.
★ Lock password up to 6 characters in combination with fingerprint lock feature which can bring you maximum security and convenient experience. Moreover, the advanced fingerprint recognition technology will protect your phone's privacy the best today.
👉Password management:
- Is a password management feature, which provides many different lock types that you can install to enhance privacy security, device security, and also make it more convenient for users.
- Change your password easily
- With Lock Screen, you can set many types of passwords at the same time such as master lock screen, screen lock with current time, screen lock in combination with your password with the current hour-minute - date, or lock screen with a temporary password.
- Time-based lock screen types help you still have high security without needing to remember too many numbers. Different device access times require entering a different password on the lock screen. Because even if someone sees the password you entered during that time, they cannot access your device, which will increase the security.
- Lock screen with a temporary password is when you want to let someone use your device for a short time, set up and provide a temporary password for them to make it more convenient when they use your device. After a certain time, the temporary password will be ineffective and that person will not be able to access your device any more. This function is suitable for parents who often let their children use their phones for a whike. The app will help you manage and control your device and your child's phone usage time.
👉Lock screen wallpapers – Auto-change wallpapers:
- You can optionally change the wallpaper from the available photo library or upload your own photo, creating interesting experiences and feelings when unlocking the screen.
- With the auto-change wallpaper feature, it will stimulate your vision every time you unlock the screen because each time you open it, there will be a different image, giving you a feeling of fresh.
- The lock screen provides many beautiful wallpapers with themes of Nature, Landscapes, Galaxy, Space, etc., you can freely choose what you like.
👉Fake icon:
- Use fake icons to replace the regular lock icons so that others don't recognize that it is a lock screen application.
- There are many different fake icons such as camera, music, clock, weather, etc. All are familiar icons that will make no suspiciousness or curiosity.
- Screen lock provides a fake-icon-feature to maximize the security in case someone knows your screen lock
What's new in 1.5.1
Bug Fixes & Performance Improvements