Magnetometer: Stud Finder

Stud finder & metal detector: magnetometer finds screws, nails, rebar in walls

Magnetometer is a metal detector and stud finder that uses your phone's built-in magnetic sensor to find iron and steel behind walls, under floors and inside furniture, and to measure the magnetic field in µT, mT or Gauss.★ What it detectsFerrous metal only: screws and nails in studs and joists, steel pipes, rebar, brackets, hinges and door strikes, within a few centimetres of the phone. Sweep slowly with the ph…