Are you tired of having your friends and family members guessing as to what’s on your phone? Do you want to secure your photos, videos, and other files with a simple, yet secure lock, so that no one else can access them? If the answer to these questions is yes, then the app you are going to download is exactly what you are looking for.

Calculator Lock – is a photo and video calculator for photo lock gallery, video lock behind a math calculator without anyone knowing as gallery Vault.

With this app, you can easily create and manage a secure folder or album to hide your photos, videos, and other files from the system gallery.