Welcome to FOUR KING ACE, home of EVP Analyzer on Android and iOS.

EVP Analyzer is an essential tool for all paranormal investigators and ghost hunters. The app provides tools for recording and playback through a range of meters.
Play back recordings half-speed, play in reverse, save and reload files.

EVP Analyzer is currently available for Android devices running v2.2 (FroYo) and higher, and iPad.