10,000 - 50,000 downloads

Add this app to your lists
View bigger - SimpleFFT for Android screenshot
View bigger - SimpleFFT for Android screenshot
View bigger - SimpleFFT for Android screenshot
View bigger - SimpleFFT for Android screenshot
SimpleFFT is a real-time Fast Fourier Transform analyzer(audio analyzer) in the low-frequency region using the voice from the microphone built into your Smartphone.
Because it is possible to use it without accessory, you can use it easily anytime and anywhere.
It operates immediately if it starts. The temporal waveform can be displayed.
To the analysis of the failure diagnosis of the equipment, the science education, the voice, and the musical instrument.
This application program can be copied onto SD Memory Card.(only V2.2 or more)

・Sample rate: 11025
・AudioFormat:MONO 16bits.
・ FFT number: 2048
・Window function:Hamming
・Horizontal axis: only Linear .
・Screen orientation:Landscape(fix)

The frequency range was extended to 5K and was made to change smoothly (stepless) by dragging the screen.

Fixed a mic issue for some devices.

According to the size of your device, the display size of the transverse direction was adjusted automatically.

Pro version of this APP is now available on the Google Play.
Please read an explanatory note on SoundAnalyzer for details.

Tags: hamming, fft frequency, specscope apk, fft in voice analysis, fft freeware hamming, 携帯端末 fftアナライザー, analyse fft, simplefft apk, free fft analyser, frequency audio recorder to.

Recently changed in this version

The response of some buttons has been improved.

Comments and ratings for SimpleFFT
  • (64 stars)

    by Herry Hermanto on 12/12/2013


  • (64 stars)

    by Pao Meng Soon on 20/08/2013

    Thank You

  • (64 stars)

    by bindesh singh on 26/12/2012

    Please add more features like gain controll. Lengthy waveforms

  • (64 stars)

    by A Google User on 16/09/2012

    Fails to open when something else is using the microphone i.e DeciBel. Otherwise seems good.

  • (64 stars)

    by Eric Hedekar on 20/01/2012

    Not logarithmic and only goes to 4kHz. Better free FFT apps exist.

  • (64 stars)

    by Malte on 15/01/2012


  • (64 stars)

    by hugov on 25/10/2011

    real time only