• Spectral Audio Analyzer 1
  • Spectral Audio Analyzer 2

Spectral Audio Analyzer

Free real-time audio analyser with 8 kHz spectral bandwidth. Display any sort of audio from the microphone as a coloured spectrogram. Identify environmental noise, search for annoying tones, view harmonic patterns of instruments and voices, analyse the frequency range of your speaker... .
Bugs and feedback to: [email protected]

Category : Music & Audio

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Reviews (27)

Nor. F. Aug 29, 2020     

Nice app to quickly see the frequency content of audio detected by your device's microphone. Fast reply from the developer to solve an install problem I had.

Kei. T. Apr 4, 2019     

IT'S GREAT but it would be nice if you could add settings for speed and add sound so we could hear what is being analyzed

A. G. u. Mar 8, 2019     

Use Spectroid instead. This app just wants you to get the Pro version and it can't even use unprocessed audio from your mic

Cod. Mar 25, 2019     

awesome app, seems to work fine on android 9. wish the free had some more options. patreon for the maker. but hey, its awesome already and maybe i consider buying

Sco. Aug 14, 2019     

pointless, only covers up to 8khz, then makes tou pay £4 for a full version. there are better apps that are free

Kar. 4. Oct 12, 2018     

Hello, i need an app that shows the camera and displays the origin of a given sound or light source in the camera. Can yoy do that.

Gin. H. Apr 12, 2022     

This is a lifesaver for those being stalker and hard or hearing. Thanks and bless you!

Cra. I. Oct 28, 2019     

Fixed at 8khz so it's a volume meter and nothing else.

A. G. u. Jan 3, 2019     

not working for Android 9.0

Aru. G. Sep 27, 2018     

Can you add support for spectral support FLAC files?

And. J. Mar 20, 2020     

I would want to be able to read files with this.

Sak. A. Oct 2, 2020     

Amazing tool thank you

Mic. R. Jan 8, 2021     

Does what I need. Thanks.

Ben. B. M. Jul 4, 2018     

Absolutely love the app, but it's a dealbreaker when I can't input my existing audio files into the app. Very dissapointed. If support is added, i'm sure myself and others would pay for the premium version and change our ratings.

Viu. V. Mar 23, 2018     

I have been using this app for years its one the best.

Den. K. Aug 20, 2018     

Making out with what I have!

A. G. u. Jul 4, 2018     

10/10. Great spectrogram and easy to use.

Flu. M. F. Feb 17, 2020     

The best

A. G. u. May 14, 2012     

Works very well on Galaxy Note i717. I set it quietly on a table, and saw two weak lines at 18khz and 12khz in my living room. Hmmmm. by moving the phone around I located the 18khz line to my electronic dog fence controller, very strong. The 12khz was coming from my shut off plasma tv. A reviewer said it showed bats, can't wait to try it. Mike

Nil. B. Mar 21, 2015     

And the premium version has most of the features people complain about this one not having. That said, it's kind of annoying that logarithmic isn't the default, and that there aren't any advanced analysis tools at all even in the premium version... But the thing I took off a star for is that it doesn't show the full spectrum captured by the input device, which seems like the bare minimum for a spectrogram with non-adjustable range.

A. G. u. May 4, 2013     

Does what it says on the tin, and does it very well! I'm having way too much fun with this app. It's fascinating to see the patterns and complexity in everyday sounds. I'll admit that it helps if you know how to read these things. Not everyone is going to understand it. You probably need a physics or music or sound engineering background to get the full effect. Only limiting factor is that you can't scale or zoom in on certain ranges in the free version. Top notch!

A. G. u. Dec 19, 2011     

This app is terrible. You can't do anything with it, you only get two options. Uninstalling now. Audio Tool is ten times better.

Mar. Jun 13, 2014     

This app functions but is kind of useless and waist of Space. The App does function with color display and the green display. It only works good with the mic that is in the system but not with external mic. This app is useless because you can't do any of the settings unless you upgrade and pay. All you can do is switch colors and scrolling or wrap around. Waist of time and space don't bother you can't do anything with it that would be useful even free apps should allow you to change settings and do calibration. All said and done, give it two stars only for the good spectral display.

ama. Jun 21, 2015     

It's great having this tool in a portable device. It'll help understand how a spectrogram works for musicians and aspiring sound engineers. I'm not sure if the scale has been well calibrated, though.

Abr. S. Oct 15, 2015     

Nicely displays the spectrum but its sad i can't do anything wid the data even in the paid one

A. G. u. Nov 20, 2012     

Evidently this app doesnt work with Android 4.1.1 no the Galaxy Nexus. Tested on two different phones.

mic. d. Nov 8, 2018     

Excellent. All you can wish from sound spectrum expressed in graphics. All sounds' frequency and volume scrambled into one fine to read graph.