Sound monitor FFTWave

Could be good but Not stable yet. The display chart locks up after 5 seconds most of the time on Android on Samsung S5. If I exit the app n come back then it works again for a few seconds. The chart page forgets the scale settings every time I exit or if Iook at the settings page. It looks promising but is not useable as is on my cell.

Brilliant app. I wanted to know if there was a high pitched sound I wasn't hearing, as I'm getting on a bit. With this I can see what sounds there are, and the frequency and amplitude of any sound.

An accurate and very professional sound spectrum display. Really useful. Thank you.

Blocked from seeing chat room MoApp Hangs 2019 uploaded need to be debugged properly.Currently blocked from using your app that's how accurate it is so thank you.Uninstall/reinstall doesn't work because of someone else blocking, not your fault.FFT wave hits can be measured everytime with your app with precise geolocation.You should work on an app that does rf pulsing/automotion measurements having a harder time with that.

No way of doing any actual tests, doesn't output test tones or pink noise to make use of the app.

It help me to analyzing sounds around me and finding that my neighbor use ultrasound scaner to check me for some reason. Thanks a lot and well done guys.

Working very nice but if the developer provides hold function we can trace signal

Can not be moved to external SD memory

BRILLIANT! This app is essential to anyone who is into HIFI AUDIO or VIBRATION ANALYSIS. Developed by professionals in Japan. Limited only by your microphone frequency response. JUST A LOVELY APP.

Small and beautiful. Bravo!

Samuel Sands is the true blue winner.

Love it

I love this App but mainly because I thoroughly enjoyed my Fourier Transforms (Signal Analysis) lectures back at York University. Cheers guys!

The description for non-English users is given in Korean. Please change it to English!

I wanted to know what low frequency's are omni-present in my appartement since a few days. The app exactly shows which the frequency's are involved and there soundlevel. Exactly what I wanted know, presented in useful graphics. I don't know accurate the app measurements are (because done with a mobile phone. But other than that, this app is what you need.

Works pretty well. The only thing I'd add is the ability to save all the graph settings once you put them where you like. It is inconvenient to have to readjust the graph (from about 100-8Khz) each time I turn it on.

amazing, it's actually really accurate - checked with sine tone generator on xiaomi redmi 4 phone. the frequencies are exactly as shown.

Great, accurate simple to use app. Would love to see additional features like variable integration time, scalable amplitude, zoomable to band of interest. Same features as an expensive audio spec an, not asking for too much am I? And yes, worth paying for to me.

This works very well for determining the precise frequency of an unknown source with multiple harmonics (like a musical instrument, or the buzzer component in SHENZHEN I/O.)

This app is great AF using for such a long time. Came to redownload in my new phone.. sad to see the number of downloads..This app should be at top.. love the developer..<3

Thank you, it is superb, please continue further development if any, very useful tool

Tiny download and way better than the other noise meters

Great app! Might I suggest external mic input to make it more sensitive

Instant feedback on learning to whistle a perfect 2600Hz.

Option to keep screen on would be useful

Thanks for being free but more importantly, being well coded.

Please have the info link in the app go to the English help page. Also please write the "what's new" in English.