EFM Discovery

This application allows you to detect magnetic fields

Application that allows you to detect the natural magnetic fields and those produced by various devices.

Taking advantage of the hardware of your phone the application detects magnetic fields (microTesla or Gauss depending on the unit of measure desired).

So you can measure the magnetic field generated by a device or present in your homes.

And for not to miss any survey you can enable an option to keep the screen always active.