If you want to hide photos and videos from others, you can use this photo vault - calculator lock application to do that. It looks like a normal calculator application. You can use it to do your daily calculations.

The app has an interface that is very easy to use. You just need to enter your own password to access the app. You can also set it to have multiple passwords for different users.

In order to ensure the best security for your photos and videos, this app has a password setting that allows you to set your own password to access the real interface of the application.