• Free FFT HD 1
  • Free FFT HD 2

Free FFT HD

Free FFT HD is a completely free to use, audible frequency spectrum analyser application. it has an FFT window size of 2048 or 1024 samples for excellent frequency analysis precision. Unlike other Frequency spectrum analyzer apps, Free FFT boasts various distinguishable assets such as:
- 3 interchangeable window functions to reduce spectral leakage (Blackman-Harris (default) , Hanning or rectangular).
- Intelligent adaptive fft size allocation system
- Logarithmic scales (X and Y)
- The ability to create a second reference plot,
- Precise peak frequency value display in Hz
- A unique amplitude relative gradient colour scheme
Please rate Free FFT HD and leave feedback of any suggestions or compliments or email me in regard to any compatibility issues you experience to [email protected] and i will try to resolve them as soon as i can. (this is my first attempt at creating an android application so apologies in advance if you experience any abnormal behaviour)Free FFT HD has been tested on tablets and is optimised for the Nexus 7.

Category : Music & Audio

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Reviews (20)

Rob. S. Oct 12, 2021     

Pretty colors but has no real use. Peaks are either at the very top and no way to move it down, or below the bottom of the graph and no way to bring them up? No test tones, no pink noise, no external mic support.

Lud. K. Aug 11, 2014     

After trying tons of free apps finally: My favourite analyzer app for live sound engineering. Precise for a phone app. Awesome Reactivity. Great look and feel. I totally love it!

Rol. O. Feb 23, 2018     

Works great, and is ad freeā¤ You can select three types of windows and also show the spectrum.

Dom. F. Nov 14, 2013     

If you don't agree that this is the best fft out there. I WILL fight you....

Do. P. Apr 5, 2014     

I admit it's no use of it with nexus 5 ;)

Kei. W. Jun 8, 2014     

Galaxy Note 3. Claims +90dB at all frequencies constantly. Graphics problem? (Note has 1920*1280px)

Mr.. C. Nov 15, 2013     

... but not bad.

Mic. R. Jun 9, 2014     

Doesn't appear that the mic works on the galaxy s5

A. G. u. Oct 3, 2013     

Best app of it's kind

Ros. M. Aug 26, 2013     

As soon as it starts it announces that it has to close. Looks promising however. Look forward to the fix.

ecm. D. Jun 10, 2013     

Simple and neat.

A. G. u. May 4, 2013     

Nice simple ft analyser that gets the job done

Ed. H. Apr 16, 2013     

This app is great and comes with a few useful bonus features. It runs extremely well on my nexus 4 and is very responsive.

Sve. E. K. Apr 11, 2013     

Well designed and implemented application that does exactly what it promised.

Joe. S. Apr 10, 2013     

Works well. Update speed is really good. I have not tried it with an external mic, but it works very well with onboard mic.

And. W. Apr 2, 2013     

Does exactly what it says on the tin, running it on the nexus 7. Runs beautifully, shall be using it in the future

A. G. u. Apr 2, 2013     

Solid app, no bugs as far as I can tell. Running on a Nexus 4 with a custom ROM. Would be cool if there was a sensitivity/calibration option. Or a way to switch to using the 3.5mm jack as an input.

Ste. T. Apr 2, 2013     

Great UI, great app - running on a Gallaxy III

Muy. L. Apr 6, 2015     

so so horrible. waste of kbs. so sorry man, but what's this supposed to do???

Jea. M. Jun 20, 2013     

The best frequency spectrum analyzer out there!