This is an app that uses the magnetic field sensor of your smartphone to detect the presence of metals.

It works like a metal detector, but the only difference is that it works with your phone's built-in magnetic field sensor.

This app is used by professionals and experts in the field of geology and mineralogy. It can also be used by people who are looking to find a metal detector for their smartphone.

The app is very easy to use and has a user-friendly interface.

It is used by professionals and experts in the field of geology and mineralogy.

It can also be used by people who are looking to find a metal detector for their smartphone.