Want to lock your private app? Want to hide your private photos and videos? This Calculator lock can help you! As a app lock and photo vault app that helps you hide photos and lock app, here you can secretly store your private app, personal images and videos in a safe app locker. And it can be disguised as a regular calculator! Only you, with your personal password, can unlock carefully guarded memories. Main Features: 🔢 Calculator lock It is designed to look like a regular calculator to mak