When you are looking for an application to detect the presence of metals near you, you should definitely check out Metal Detector. This free app for Android devices can quickly detect the presence of any metal object within a certain distance of your device.

It is a very easy-to-use application, so you will have no trouble using it. The application consists of a magnetometer, which is a sensor that can detect and measure the magnetic field strength.

The sensor can be used to measure the magnetic field strength in microtesla (μT) and milli gauss (mG). The measurements are displayed in a graph, where the x-axis represents the distance from the device, and the y-axis represents the magnetic field strength.

This free application can also be used to detect the presence of metals and other magnetic field objects.