A full version app for Android, by Apero Technologies Group - TrustedApp.
Calculator Lock - Photo Vault is an application that lets you lock your applications, photos, and videos with a password, so no one can access your private files without your permission. The best part of this application is that it is extremely easy to use, and you will not need to take any time to set up this app. You can also lock your gallery vault with this app.
In addition, this application is capable of hiding multiple pictures and videos at the same time, which makes it even more useful. The best thing is that this app can be used by millions of users because it is very easy to use.
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