With this app you can secure your incoming and outgoing calls with pin and pattern password. You calling screen will be hidden behind lock screen which can be opened with password only.
Note : This app may not be able to overlay or work on pop-up screen of incoming calls. This may not also work on some mobiles.
App feature :
– Secure incoming and outgoing calls with call lock.
– Call lock with pin or pattern password.
– Choose background or your own photos for lock screen background.
– Lock selected contacts or all contacts.
– Completely free to use.