What's New

Design updates & performance improvements for iOS 7.

App Description

Want to know the precise frequency of a signal or the visual shape of a signal? Then you’ve come to the right app. Use your device’s microphone to see waveform, frequency and even the musical note of a signal in real time with Frequency Counter.

App Screenshots

(click to enlarge)

Frequency Counter Pro screenshot 1 Frequency Counter Pro screenshot 2

App Changes

  • June 13, 2014 Initial release