A free app for Android, by TotalTechApps.
Protect your phone from unwanted intruders with the Incoming Call Pin Locker app. The application helps you to create a pin code to be entered when a caller tries to access your phone. The code can be set to a specific number or to all numbers. You can also choose to hide the information from everyone or only from a selected number.
This app will also help you to create a secure password for your incoming calls. You can choose to use the default password or to create a unique one.
The application also has an uninstaller that will help you to uninstall the app if you ever want to uninstall it.
The application has a settings menu where you can set the application to either be a default application or an application for specific phones. You can also set the phone model to which the app should be installed.