Ghost EMF detector is a free app to detect any paranormal activities around you. It allows you to measure the presences of any electromagnetic field metal around you using magnetic sensor. Using this sensor it transfers the reading to a user-friendly EMF reading to let you know what is around you or not. It can be used for Ghost detection, any paranormal activity around you as well as for any source which emits electromagnetic radiations and the reading of it. If there are no electromagnetic rad