FFT Spectrum Analyzer

FFT Spectrum Analyzer Free App

Rated 4.07/5 (470) —  Free Android application by XYZ-Apps

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About FFT Spectrum Analyzer

Free Frequency Spectrum Analyzer
- Fast fourier transform
- Adjustable gain and frequency range
- Tap to hold
- Microphone input
- Detect main frequencies

How to Download / Install

Download and install FFT Spectrum Analyzer version 10 on your Android device!
Downloaded 50,000+ times, content rating: Everyone
Android package: com.xyz.fft, download FFT Spectrum Analyzer.apk

All Application Badges

Free
downl.
Android
3.0+
For everyone
Android app

App History & Updates

What's Changed
- Detecting main frequencies
- Frequency range presets
Version update FFT Spectrum Analyzer was updated to version 10
More downloads  FFT Spectrum Analyzer reached 50 000 - 100 000 downloads
Version update FFT Spectrum Analyzer was updated to version 1.9

What are users saying about FFT Spectrum Analyzer

M70%
by M####:

All apps should be written this well. Sadly I'm looking for frequencies around 18K to 22K so not of use to me :(

H70%
by H####:

Only captures peak frequencies on manual pause. Useless for transient sounds, like drums.

H70%
by H####:

Fantastic app. I wanted something to show frequency content of input fr microphone and that's what I got. I'd recommend it if just because it's nice to get what you expect.

M70%
by M####:

Perfect and fast, not annoying ads

S70%
by S####:

Very useful and simple. Just want possibility to remove ads.

M70%
by M####:

Smooth and easy to use. Works well on Nexus 7 (Grouper)

G70%
by G####:

Like it!

H70%
by H####:

You lock the taskbah.

M70%
by M####:

Nice as is except the ads.

A70%
by A####:

would be perfect if it could handle microphone input, record fft data, and if you could remove the ads. good work!

E70%
by E####:

I don't normally rate apps but this one deserves credit. Well built UI and simple to use. The newest version has audio gain control and when pause (held) gives you several peak values. Also the band setting were simplified for quicker changes. A useful tool for debugging or just having fun.

Y70%
by Y####:

Problem is, there is no level reference, so the display means nothing with regard to the level of the sound. So close. It just needs dB down the side. And if you are going to do that, could you please make it possible to put our own Hertz value points on the lower scale. I need 125,250,500,1000,1500,2000,3000,4000,6000,8000 and possibly 10k too. Found DIGI+ Sound meter has all sorts of meters and can be calibrated. So Im sorry. Uninstalling this.

Y70%
by Y####:

This app it good at analysing frequencies, however struggles to get low frequencies below 250-300hz correct, and this is something that I would have primarily needed the app for - above this range is quite accurate. I can't say whether its a hardware or software issue, hence 4 stars.

U70%
by U####:

Good, i need to take vibration signature but how to take with the help of this app, that i dont know, can anyone take me out of this? is this a freq. Amplitude graph? plz kindly suggest me the steps for using this app with my mobile and how to save in computer

Y70%
by Y####:

A 440hz tone was measured as 333hz. Cannot adjust amplitude level.

Y70%
by Y####:

Good app for FFT. I suggest, to have user option for selecting frequency band, say, 20hz to 2khz only, or still less.

Y70%
by Y####:

Best acurracy I've seen for free! Great job to the developer!

E70%
by E####:

Nice GUI, but it could be better if you increase the bandwidth, and plot the amplitude values on Y-axis

N70%
by N####:

Finds fundamental frequencies with ease. Makes my life easier

I70%
by I####:

Waste of time

Y70%
by Y####:

Give us a way to export the data, please

Q70%
by Q####:

Fun and useful.

G70%
by G####:

Good

Y70%
by Y####:

frequency between 0.0 and 2.4 KHz measurable,

C70%
by C####:

Works nicely...would like to see a readout of the main frequencies though.

C70%
by C####:

would be a 5 stars if peak was marked

X70%
by X####:

But I can't do anything with this app just shows waves bummer

C70%
by C####:

Best app

T70%
by T####:

I don't see the peak and value of dominant frequency. Well made but very limited features.

S70%
by S####:

Its gd but it gets a lttl boring. the othr anylzrs i like, they hv clr 2 them and can anylz video to. Give mre settngs & uv got a winner. See ya...

T70%
by T####:

but the interface and functionality are very basic.

T70%
by T####:

Very fun app!

B70%
by B####:

Best

P70%
by P####:

No input gain settings. Have to blow my ears out before it's possible to see the freq. Also, graph should be in octaves. And this is an rta. Not fft

Q70%
by Q####:

Its gd but it gets a lttl boring. the othr anylzrs i like, they hv clr 2 them and can anylz video to. Give mre parametures & uv go a winner. See ya...

D70%
by D####:

Got no display of any waveform of any kind... just the empty backdrop and a "hold" that toggled on sceen touch.

K70%
by K####:

5 stars whithout doubt. Do what it looks like and simple and all clear. But I am REEEEALLY looking forward to that this could catch system sound output (including music players', ringtones', alrms' etc. in one word it should catch the final mixed sound output of the devices). I know this is not what the app designed for but.... You did really a good job and I really really want to see that feature!

S70%
by S####:

would be perfect if it could handle microphone input, record fft data, and if you could remove the ads. good work!

K70%
by K####:

frequency between 0.0 and 2.4 KHz measurable,

K70%
by K####:

Would be nice to be able to set the start and end of the x axis. I'm just interested in 0 to 200 Hz right now. (Trying to tune a sub with a set of speakers)


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Rating Distribution

RATING
4.15
470 users

5

4

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