Calculator Lock is the safest privacy protection app to secretly hide photos and videos on your Android device. Whether you want to protect your secret photos and videos from your friends, family, or even kids, this privacy lock is the perfect choice. 

With this app, you can create a secure vault and keep your photos and videos safe and private. You can also easily share your photos and videos with friends and family members by sending them an encrypted zip file. 

How to Use Calculator Lock?

To use this privacy lock, you will first need to create a password. After that, all you have to do is enter the password and click the "Enable" button to create the secure vault.