It also works on electric wires and power sources.
this apps can detect medal and garret metal detector, lilies of the field, this detecting apps is a smart Metal Intensity
Real Metal Detector Features :
Detecting of iron, steel, silver, gold, platinum, relics and other magnetic stuff
Detecting of electric wires
Flashlight function on all android devices
Every mobile since has a built in magnetometer.
This magnetometer can be used to measure interferences in electro waves caused by metal and other magnetic stuff.
Be sure to take your mobile out of cases which have metal parts or magnetic buttons.
To achieve best results it is necessary to calibrate the built in magnetometer by drawing an 8 in the air with the mobile.
This app is intended for entertainment purposes only and does not provide true metal detecting functionality.