Calculator Lock - File Locker is an innovative app designed for Android users, cleverly disguised as a basic calculator. This utility application serves a dual purpose: it functions as a regular calculator while providing a secure environment to store private files, photos, and videos. Users can protect their sensitive content with a secure PIN or password, ensuring that unauthorized access is thwarted. The app also features a built-in file manager that allows for easy organization and storage of files, enhancing user convenience.

In addition to its primary functions, Calculator Lock - File Locker includes a note-taking feature that enables users to write and edit personal notes securely. A notable aspect of this app is its Trash Recovery system, which allows users to recover accidentally deleted files within a specific timeframe. Overall, this app combines robust security with practicality, making it an essential tool for anyone looking to safeguard their private information.