apps / 298840058
FFT
Andrew Smith · Music · $10.99 · US storefront
- rating
- 4.0 ★
- ratings
- 6
- updated
- Dec 27, 2025
- released
- Jan 22, 2009
v7.8
visible word pool · 1 words
title 3/30 chars · subtitle unavailable
App Store search indexes the title and subtitle together with the hidden 100-character keyword field as one combined pool: any phrase assembled from those words can rank. These are the words of FFT's pool that are public — the keyword field is not exposed by any API.
from the listing
FFT is a high-resolution audio analysis tool for the iPhone and iPod touch. It uses the Fast Fourier Transform to analyze incoming audio, and displays a very detailed graph of amplitude vs. frequency. Use this app with the built-in iOS device microphone, or upgrade to our iAudioInterface2 or iTestMic for a complete professional solution. *** Designed for Acoustical Analysis This application has been designed for acoustics work, and so the bins have been normalized to octaves,…
latest US reviews
★★★★★
andrewr
Great app but it’s crashing with my update to iOS 17.4.1
— Bottleajar
★★★★★
Amazing app!
I’ve been using this app for a looooong time. This is an amazing app that is definitely starting to show its age but remains extremely useful.
— tk441
★★★★★
I put that s%#t on everything
Aka: I use this app for all sorts of troubleshooting. Trying to find a slow leak in a tire or a vacuum leak on an engine. By showing the peaks in Hz you can visually "see" the sound in a way impossible to hear with your ears. Priceless tool for debugging anything that makes…
— andrewwynn
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{ "tool": "app", "arguments": { "appId": 298840058, "countries": [ "US" ], "subtitle": true } }
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