Are you worried about exposing your PIN while you unlock your phone?
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 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 ed
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 permission.
To enable Double tap to lock, please activate Knock Lock as "device ". 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.

// Option A // 5e7015

To Knock lock screen - Applock mod from happymod.completedownload.net.
You need enable the option "Unknown Sources".
1. Click on the above link to Knock lock screen - Applock mod APK.
2. Save the file in your device s folder.
3. Now tap on Install and wait for the installation to finish.
4. Once it is done, open the game and start playing it right away.

// Option B // 5s5x38

To Knock lock screen - Applock from HappyMod APP, you can follow this:
1. Open your browser and the HappyMod APK file from happymod.completedownload.net - the only official website of HappyMod.
2. Open Android Settings and go into Privacy or Security.
3. Tap the option to Allow Unknown Sources and enable it.
4. Go to your Android s and tap the APK file.
5. Follow the directions on the screen to install it.
6. Search Knock lock screen - Applock in HappyMod App.