20-50 Usual magnetic background of our planet.
50-100 The background is too high, or there is a small metal object nearby.
100-200 You definitely found a metal object
200-3000 The object is in close proximity to the smartphone

Metal Detector is a smartphone app that helps you find metal objects in the ground, walls, floor and other surfaces. It uses radio wave technology to detect metal objects that create electromagnetic interference.

With a metal detector, you can find various metal objects such as coins, jewelry, keys, nails, and other metal objects. Metal detectors can also be used to find metal pipes, wires, and other hidden objects.

The metal detector requires a smartphone that supports magnetic sensor technology. This application can be useful for both professional treasure hunters and amateurs who are looking for metal objects in their home or on the street.