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Audizr - Spectrum Analyzer

Real-time precision audio spectrum analyzer for professionals and sound enthusiasts. Spectrum analysis with Audizr reveals outstanding details in sound captured from a microphone. Monitor sound frequency content of your home studio speakers or a PA system with a greater accuracy than a human ear could ever reach. Zoom effortlessly in on interesting details through an intuitive touch interface, and adjust your equipment to perfection.

Audizr is optimized by professionals for precision and stability. You will get amazing frequency resolution (up to 3 Hz with 48 kHz sample rate) and low latency, which helps you to discern even the slightest anomalies in the sound. It stands out from the competitors with usability without losing a freedom of professionals to choose their preferred parameters themselves.

Features include (but are not limited to)
- Real-time audio spectrum analysis of a microphone signal
- Waterfall spectrogram
- Long average over a time window of up to a minute (RMS)
- Real Time Analyzer (RTA) for measurements with pink noise
- FFT with rich configuration
- Max hold and reset
- Logarithmic, Mel and linear frequency axis scale options
- Tap to observe a certain frequency
- Zoom individual axis by pinching on the edges of the screen

Please, give us feedback about what you think is missing or could be improved, so that we can together make Audizr the best spectrum analyzer in the market. Thank you!
New features will follow soon, stay tuned!

Category : Music & Audio

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Reviews (26)

Arm. Mar 15, 2021     

Good app, use it for fun in various situations. Feature request: calibration. My phone is detecting a significant and constant "internal noise" even in the quitest places. Would it be possible for a user to "record" the average of that noise and subtract it from the curve (and subsequently spectrum)? I don't think that would be a difficult feature to implement, but it would make the results so much cleaner.

A. G. u. Nov 4, 2018     

Great app. Some bits could do with a bit of work. You should add instructions or a tutorial for new users to get to know the interface. Also the word wrapping in some of the settings has failed resulting in broken words. Plus pulling up the bottom panel causes a lot of lag. Maybe make it so you tap on the two lines and it automatically extends to the middle of the screen. As I say, it's a great app.

She. G. Aug 10, 2021     

Good app as far as it goes. I am building tuned struck instruments. Tuning is a 'B'. Unfortunately the apparent 12Hz bins do not provide sufficient resolution. According to the description in the Pro offering, it only extends the resolution down to 3Hz. No technical description, so no way to tell if you have implemented decimation in the Pro version. Sticking with Spectroid for now.

Cha. B. Dec 8, 2018     

I like it but it would be extremely helpful if you could run analysis on both the audio file going to the speakers and what the microphone is picking up at the same time. On the computer you can switch back and forth but on andriod it can only seem to do microphone.

Ron. d. L. May 12, 2022     

Excellent spectrum analyzer! The visualizations are well designed, showing a lot of information while remaining easy on the eyes. A+

Ric. S. May 22, 2022     

Overall a great quick simple app for analyzing audio. Should get more attention. I love how it handles the frequency peaks and it does it way better than Spectroid.

Kyl. L. Mar 2, 2020     

I would really like to see a pink noise calibration or something similar so I can be sure what my phone mic is picking up. Other than that, really great app so far! Also looks like it hasn't been updated in almost 2 years...

Ano. P. Oct 3, 2020     

The app is really fun but I'm giving it three stars because I'm disappointed about not being able to record sound when I use my screen recorder. The app will not allow screen recorders to record the audio along with the visual.

Liq. W. Jun 1, 2020     

I got this app to tune my 3D printer FEP. It was perfect right out the gate. It gave me the frequency values right there on the sound curve without needing to do any setup. You might consider publicizing this app on 3D printer communities if you haven't already.

Esa. I. O. May 18, 2020     

Finally I found a spectrum analyzer just for my needs. Performance and accuracy for analog audio R&D, still convenience and ergonomics for live audio. Thank You very much.

Nat. Jul 17, 2020     

Excellent visualization and averaging options. One of the few free RTAs with octave averaging. This was a must for adjusting my speakers. Thank you!

Adi. A. May 28, 2020     

Installed this for tuning my Subwoofer volume. Worked well. And good for generally understanding and analyzing the spectrum of your audio setup and different songs

Kel. N. Aug 10, 2021     

Something is very wrong I plugged in a mic but no sound so you lied about that. I've clicked on every sample rate and nothing I turned up the volume on my phone and still no sound, so if there's supposed to be sound then I do I accomplish that because I'm getting nothing so I'll I'm doing is just saying what my phone is doing, I see the spikes just no sound so how do I get it

Els. G. Nov 16, 2021     

good, possibly great at one time. i contemplated purchase, then noticed it has been over 4 years since last update. ABANDONED apps should be free.

Dar. D. Oct 29, 2018     

I could not make this thing work no matter how i adjusted the settings or what i did, so im going on a hunch that to get the working version you have to buy it, so then why bother with this waste of time unless there is something im doing wrong

Mik. -. Mar 10, 2021     

Looks decent, but my phone (OnePlus7T) went really hot on the screen when I used this app for a while (something between 4-7minutes).

Fir. N. L. N. Sep 8, 2021     

Great quality for a free app. Thank you so much for not adding adware to it!! Your appreciated!

JR. B. Oct 17, 2021     

Would be really helpful if there were an explanation of what I'm looking at. What's the red line? What's the green line, for example.

Ale. K. Jan 5, 2021     

Helped me find the source of a high pitched whine in my house I couldn't locate by ear. Thank you!

T.. T. Mar 2, 2019     

Excellent tool for audio. Thank you for creating this.

Rap. V. Dec 21, 2019     

Used it to tune the FEP on my Anycubic Photon 3d printer! Worked great!

Chr. S. Jan 26, 2021     

My favourite spectrum app. Simple and to the point.

Bob. C. Sep 26, 2019     

Great visualization for ambient mic on your phone.

Fra. G. May 8, 2022     

It's pretty good. So good, I decided to get the pro versions.

Ger. H. Dec 22, 2019     

Extremely fast and very efficient.

xfn. Jun 19, 2020     

would be even better if there was a 'zero' button that let's you make the noise floor not part of the visulization