What's New

Design updates & performance improvements for iOS 7.

App Description

Want to know the frequency of a signal or how a signal looks like? Use your device’s microphone to see waveform, frequency and even the musical note of a signal in real time.

App Screen Shots

(click to enlarge)

App Changes

November 15, 2013 New version 1.2
December 10, 2012 New version 1.1
July 13, 2011 Initial Release

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