To use the EMF Detector and Gauss meter App you just have to move around your phone in your room or in your surroundings to find out if there are any EMF radiations. EMF Meter gives magnetic field reading in µT (microtesla) which is equal to 10 mG (milligauss).
The EMF Detector – Gauss Meter is the best app if you want to detect Electromagnetic field in your surroundings.
This App is quit handy to use even its detect electronic devices because those devices emit EMF radiation and electric field.