Calculator - Hide Photo Video is a secret gallery photos vault app for Android that allows users to hide photos and videos behind a calculator lock. With advanced security features like biometric fingerprint lock, PIN, and pattern lock, this app ensures the ultimate privacy for your personal files.

The app not only hides photos and videos but also provides a secure video player to play them within the app. It also allows users to hide audio files and secret notes, making it a comprehensive solution for protecting sensitive data.

In addition to its privacy features, Calculator - Hide Photo Video offers convenient tools such as cloud backup, file transfer, private browser, folders lock, and app lock. Users can easily backup their files, transfer them between devices, browse the internet privately, lock individual folders, and lock apps with fingerprint or password protection.

The app also includes a snap intruder feature that captures a selfie of anyone trying to access the app without authorization. With various themes and a fake locker option, Calculator - Hide Photo Video offers a customizable and secure experience.

Overall, Calculator - Hide Photo Video is a reliable and feature-rich app for hiding and protecting personal photos, videos, and other sensitive files.