Calculator - Lock for Photo, Video, Notes is a free utility and tool application developed by Rakta Tech for Android mobile devices. The app provides a secure and convenient way to store private photos, videos, notes, and audio files. The app is designed to look like a simple calculator, but it functions as a vault with a secret code that only you know. This way, no one can access your private data. The app offers various features such as a pin lock, security questions to reset your password, a beautiful gallery design, private notes, and a power-saving mode for app lock.

The app has a very minimal user interface and is easy to use. It supports checklists and note search ability, and all data is encrypted. The app also allows you to import and hide pictures, videos, and private music files. The Calculator - Lock for Photo, Video, Notes app is an excellent solution for those who want to keep their private files secure and hidden from others.

• Please note that this app uses the Device Administrator permission (BIND_DEVICE_ADMIN) for uninstall protection.