About this app

Lock N' Block can help you to protect any app on your phone, even those you haven't installed yet. You can also use Lock N' Block to block apps on your child's phone! With the lock function of yet-to-be-installed apps, you'll be able to choose a type or a category for automatic protection or locking. You can block access or protect any app on your phone in just 2 clicks! Want to protect sensitive data? Prevent apps access to the Internet with firewall function. Afraid that your child will see obscene content? Turn on keyword-based protection/lock. Want the protection to turn on under certain conditions? Choose when to activate the protection, at certain time, days, when connecting to selected Wi-Fi or Bluetooth networks or according to your location, select the types of new apps and they will be added automatically to the specified conditions after installation. Don't want to be disturbed at an inconvenient time? Turn off notifications of selected apps at specific time! Want to block apps while you're in a certain location? You can also easily do this with Lock N' Block. Left your phone in another room and someone tried to open a secure app? Activate the alarm function and you will be aware of it! Want to know who tried to open a secure app without you knowing? Use the built-in history feature, you can save password attempts, passwords and photos of those who tried to do it! Don't want the user to realize that the app is blocked? Use the fake app error page!

Types of protection:
Choose the type of protection that is most convenient for you: password, pin code or drawing.

Lock types:
You can choose a fake bug so that the user doesn't know if there is a lock, but you can also use the standard lock page.

Key features:

Block or protect apps with a password
Turn on the block or access to the apps by the password

Firewall
You'll be able to block access to the Internet for any app

Block or protect apps using keywords
Add keywords and if they appear in the app's content protection will turn on

Notifications block
Block notifications for selected apps and they will no longer appear on your phone

Additional functionality:
Each of the above features has additional functionality

Protect or block new apps
For core features you can automatically add new apps. Choose the type of apps you want to add to a specific type of protection/lock and they will be added as soon as you install them.

Lock conditions
If you want certain apps to be blocked under certain conditions, you can use this option, it is available for all major features. It also has built-in support for adding new apps. The following block/protection conditions are maintained:
On certain days
At certain time intervals
When connecting to certain Wi-Fi networks
When connecting to certain Bluetooth networks
In certain locations

History
To see all the events associated with app protection/blocking, use the history feature.
Apps opening records
Lock/protect apps records
Blocked notifications records
Password attempts records
Incorrect passwords records
Saving a photo after several incorrect password attempts

Settings
With the help of settings, you can:
Set protection and lock types
Set a limit on the number of password attempts
Set a wrong password alarm
Protect Lock N' Block from removal

Permissions

BIND_ACCESSIBILITY_SERVICE
This app uses the Accessibility services to block unwanted apps and keywords, also it detects app uninstallation.

DEVICE ADMINISTRATOR
This app uses the Device Administrator permission to protect the app from unauthorized removal.

SYSTEM_ALERT_WINDOW
This app uses System Alert Window permission to show block or protection window over selected apps.

VPNService
This app uses VPNService to secure internet connection and block internet connection for selected apps.

New features

Minor bug fixes & Improvements

App Permissions

Allows applications to open network sockets.
Allows an app to create windows using the type TYPE_APPLICATION_OVERLAY, shown on top of all other apps.
Allows an application to request deleting packages.
Required to be able to access the camera device.
Allows applications to access information about networks.
Allows an app to access approximate location.
Allows an app to access precise location.
Allows applications to access information about Wi-Fi networks.
Allows using PowerManager WakeLocks to keep processor from sleeping or screen from dimming.
Allows an application to receive the ACTION_BOOT_COMPLETED that is broadcast after the system finishes booting.