A free program for Android, by Beyond Appp.
You are in the right place if you are looking for a secure photo lock and video lock for your private photos and videos. You can hide photos and videos from the public gallery in a secure vault in a password-protected way. No need to worry when giving your phone to a friend or family when the Calculator Lock app is installed on your phone. With a secure Calculator vault, you can hide unlimited photos and videos.
It is a clean and neat design with an interface that is very user-friendly.
