EMF EVP Entity Detector is a FREE and powerful mobile app to detect ghosts, spirits, and other entities using built-in sensors. It can detect both the presence of an entity and the degree of its power.

Features of the app:
Live EMF and EVP (EMF stands for magnetic reading, and EVP for electronic noise produced by ghosts.)
Graphs. dual modes. Simple and thorough.
Recordings of EMF, EVP, and graphs are all made.
Back up and store all documents.
Beeps are used for accurate navigation. As the gap between you and the ghosts closes, the sound gets louder.
LED display of the appropriate notification
Gauss and Tesla both have readings.
Sensitivity can be modified to meet your needs.
Personalized audio player for EVP listening
EMF readings and a graph are played back on a customized video player.