Knock lock screen - Applock v1.7.3
GoldenKing Apps
About this app
Developer Description
Enjoy unique way to unlock your screen and also secure apps with it.
Here comes Knock Lock - Applock for the rescue. The innovative Lock Screen that will leave intruders baffled!
Knock Lock Screen - Applock is the new way of locking devices.
All you need to do is tap Knock Knock on the screen and unlock your device. MAGIC! No one able to guess what you did to open your lock screen because its fully INVISIBLE.
Available Lock Type
1. Knock Lock
2. Pattern Lock
3. Time password lock
Features of locks are-
1. Prevent Unauthorized Access
2. Invisible path to Unlock Pattern/lock change every minute.
3. Helps preventing accidental calling.
4. Prevents others from using your device.
5. Superbly rich graphics.
6. Consume less memory and battery, Simple and Clean device.
7. 100% safe and secure
8. 12 hour and 24 hour format both supported
9. Unlock vibration enable/disable
10. Unlock sound enable/disable
11. Highly secure lock screens
12. Choice to set knock position on screen.
Knock Lock uses the Device Administrator permission.
To enable Double tap to lock, please activate Knock Lock as "device administrator". It's only used for lock device on double tap on floating icon.
Please be assured that Knock Lock Screen will never use these permissions to access your private data.
What's New
**Minor bug fixes
** If you enjoy using this app, please take a moment to rate it, and tell us what changes you'd like to see, or bugs you've discovered.
Version Information
- Version
- 1.7.3
- Downloads
- 1M+
- Updated on
- Dec 1, 2025
- Released
- Jan 27, 2018
- Requires
- Android 7.0
Statistics
Google Play Rating History
Rating Distribution
Downloads Over Time
Knock lock screen - Applock has been downloaded times. Over the past 30 days, it averaged downloads per day.
Shaded area shows 30-day prediction based on historical trends
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Knock lock screen - Applock users say on Google Play
Luyanda Nokuphiiwa
I'm enjoying this app this app is really good the last time i had this app it had some invisible wallpaper :-) but now i cant seem to find it anyway this app is really good i rate it 5 star :-)
Haiputa Gerphasius
Kind of good app, too my android everything is working so superb as longest you're getting all it's instructions....... Salute 👊 👊👊
Naresh Mettu
Super
Ganesh Mavaskar
phone switch off hone ke sath hi khatm ho jata hai iska lock
chintan gandhi
Love your app. Using it since 8 years. I would like you to thicken the font size (are very thin) of the day & date which is displayed just below the time on your lockscreen. Also just 3 variety of time/date display is now boring, if you cannot include more varieties I suggest you to include fonts & font size changer so that I can create new varieties as per my convenience. Same changes in format of day (Sa, Sat, Saturday), date (dd/mm, mm/dd, dd/mm/yy) as per users convenience will be useful.
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