FFTWave app for iPhone and iPad

4.6 ( 8656 ratings )

Utilities Productivity
Developer: Eisaku Nozu

Free

Current version: 1.4, last update: 1 year ago
First release : 05 Feb 2016
App size: 8.12 Mb

This app displays the waveform of the sound from the microphone.
In addition, it can display a spectrum by Fourier transform.
You can check the frequency characteristics of the sound.
There are functions of peak detection, peak hold.
Supporting the Pinch Zoom Gestures.
It help sound adjustment and howling analysis.