This app helps you to measure the magnetic field from the target object. such as devices containing metal elements or objects that emit magnetic fields, etc. using the magnetic field sensor that came with your device.

Features:
-Looks simple and clean.
-Displays the trend of magnetic field values measured by objects.
-Sound alert when the magnetic field signal level reaches a certain level. It is likely that objects with a relatively high metal composition are detected.
-You can turn off audio alerts as well as adjust the volume.
-Turn on the flashlight when working in low light for added convenience.