Audio Analyzer at App Store analyse

App power index: 100 (based on ranks around App Stores today)
Utilities Music
Developer: Narumi Inada
Price: 0 free
Current version: 1.2, last update: 4 years ago
First release : 10 Oct 2019
App size: 879 Kb
4.6 ( 96 ratings )
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Estimation application downloads and cost

> 2.2k
Monthly downloads
~ $ 900
Estimation App Cost


The analyzed result of the waveform is rendered at 60FPS.
The following 4 functions can be accessed:

Waveform visualizer (oscilloscope)
Spectrum analyzer
Historical peak
Historical FFT

Tapping each function enters into full-screen mode and tapping once more exits full-screen mode.

Horizontal zoom is only available for the spectrum analyzer.
Magnification gesture (aka pinching) allows for zooming in and out, and frequency offset can be performed by swiping on the screen horizontally.

Vertical swiping adjusts input volume.
Coefficients are displayed in the corner.


*dBFullScale
20 * log10 ( input)

A demonstration is here.
https://www.youtube.com/watch?v=6mDa_zCgYzE
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Available in countries
Country Price
Canada 4.99 CAD
China 28 CNY
France 3.99 EUR
Germany 3.99 EUR
Italy 3.99 EUR
Netherlands 3.99 EUR
Portugal 3.99 EUR
Spain 3.99 EUR
UK 3.99 GBP
India 399 INR
Japan 600 JPY
Korea, Republic Of 5500 KRW
Poland 19.99 PLN
Russia 349 RUB
Turkey 129.99 TRY
USA 3.99 USD
Ukraine 4.99 USD
Available for devices
iPhone5s, iPadAir, iPadAirCellular, iPadMiniRetina, iPadMiniRetinaCellular, iPhone6, iPhone6Plus, iPadAir2, iPadAir2Cellular, iPadMini3, iPadMini3Cellular, iPodTouchSixthGen, iPhone6s, iPhone6sPlus, iPadMini4, iPadMini4Cellular, iPadPro, iPadProCellular, iPadPro97, iPadPro97Cellular, iPhoneSE, iPhone7, iPhone7Plus, iPad611, iPad612, iPad71, iPad72, iPad73, iPad74, iPhone8, iPhone8Plus, iPhoneX, iPad75, iPad76, iPhoneXS, iPhoneXSMax, iPhoneXR, iPad812, iPad834, iPad856, iPad878, iPadMini5, iPadMini5Cellular, iPadAir3, iPadAir3Cellular, iPodTouchSeventhGen, iPhone11, iPhone11Pro, iPadSeventhGen, iPadSeventhGenCellular, iPhone11ProMax, iPhoneSESecondGen, iPadProSecondGen, iPadProSecondGenCellular, iPadProFourthGen, iPadProFourthGenCellular,