This is an application that uses a built-in magnetic sensor on your Android phone to detect any metal object in your surroundings. It's not only a handy tool for finding precious metals, but also a handy tool for finding ghosts.

This application requires an Android phone with a built-in magnetic sensor to function properly. If you don't have a built-in magnetic sensor, the application won't work on your phone.

You can use this tool to measure and study magnetism and electromagnetism, the earth’s geomagnetic field, and more. It can be used as a detector not only for EMF but also for magnets, metals, devices, and even (as some people believe) entities and ghosts.