# Audio Spectrum Analyzer — user reviews > 68 indexed App Store user reviews of Audio Spectrum Analyzer by Black Cat Systems, rated 3.90/5 from 52 ratings. - Source: https://appshunter.io/ios/app/audio-spectrum-analyzer/id373620982/reviews - App overview in markdown: https://appshunter.io/ios/app/audio-spectrum-analyzer/id373620982.md - Rating breakdown: 5★ 28 · 4★ 8 · 3★ 5 · 2★ 3 · 1★ 8 ## Newest reviews (10 of 68) ### 3/5 — Needs averaging *2020-01-15* Very useful, but it would be so much better if it could do a running average of the spectrums. This would help to pull signals out of the noise floor. ### 2/5 — Problems with newer iPhones *2019-09-16* No way to exit on iPhones without a Home button ### 4/5 — Functional *2017-04-15* Does exactly what it says on the box. Sometimes buggy (at least on iOS9). Zooming sometimes doesn't work. Resuming the app after switching to something else makes it not display frequency data. Not perfect, but more than acceptable. ### 2/5 — Key feature broken *2017-02-02, version 1.4.2* Cannot pinch to zoom in frequency domain as it states in FAQ. Needed this app to identify specific higher frequencies but the ones I want get overshadowed by low frequency noise and I can't zoom those out of window. Labeling the peaks by touching them would be nice rather than app only labeling overall maximums. ### 4/5 — Worth its money *2016-12-29* Really nice app. As a sound engineer I am using it to ring out monitors and FOH before the performance! The only disadvantage - when selecting a "hold peak" mode it would be good if after a tap I could reset a hold peak. Otherwise it freezes on one frequency and that's it, this feature becomes quite useless after. Please add - release/reset analyzer with a tap after it holds the frequency! Thanks you! ;) ### 3/5 — Can't zoom in on amplitudes *2016-09-02* Either I can't figure it out (most likely), or you can't zoom on the Y axis. I was trying to determine the frequency of the audible vibration my car was producing. The peak amplitudes just blend right in with the noise when it's zoomed all the way out. Also, sometimes the actual graph disappears. It will still show the frequency of the peaks, but the rest of the screen is black. ### 3/5 — works, but slowly... *2016-07-29* iPhone 6s; This is a nice app that works - but the sample-rate is quite slow… or maybe the the screen update is slow. There is a peak hold feature that is quite unnecessary as it takes a large fraction of a second for the display to register a change. The display then persists for some time before decaying. ### 5/5 — Perfect. *2016-04-29* This is a very affordable app that lets you do incredibly useful things as a sound engineer. I run sound for our community theater and play in a country/rock cover band. I've used this in both settings to easily located and remove problem frequencies with a GEQ. Lots of options and easy to use. Life saver. ### 3/5 — Simple *2016-01-05, version 1.4.2* Good. More detailed grid, more better. ### 5/5 — Spectrum at your finger tips *2015-08-11, version 1.4.2* I monitor a bluegrass band with this app. Nice to know room characteristics for PA low & high freq. settings. ## Most critical reviews (10 lowest-rated) ### 1/5 — 不正確 *2020-11-26* 金を返して欲しい ### 1/5 — Doesn’t work *2019-03-29* Doesn’t work with iPhone XR. Looks like it has t been updated in years. Not worth any money ### 1/5 — stopped working after about 3 minutes *2019-03-06* but hey, does anyone’s design actually work nowadays? ### 1/5 — This app is sold with false pretenses! *2019-02-03* Buyer beware! This is listed under Spectrum Remote. I wanted to control our TV using my phone. This does not do that. I asked for a defund and was told NO! ### 1/5 — Langsam *2018-12-04* Bei nur 8k Auflösung ist die App auf dem iPhone 7 extrem langsam, für mich nicht zu gebrauchen ### 1/5 — Not good *2017-12-19* Very low update rate and limiyed interface, definitely not worth paying for ### 1/5 — Review *2017-03-30, version 1.4.2* Very poor, not what I expected. Tried to get a refund. No luck. ### 1/5 — Needs to be updated! *2016-11-19, version 1.4.2* Slow and inaccurate. Waste of $3. ### 1/5 — Don't buy *2016-10-24, version 1.4.2* This terrible app has a response time slower than the free spectrum analyzers available out there. Do not waste your money ### 1/5 — Absolute Waste of Money *2016-03-26, version 1.4.2* This app offers nothing that you could not get from a free spectrum analyzer app. In fact, you will find it more convenient to work with many of the free apps. This app has absolutely no features that could justify paying for it. All it does is doing a simple FFT. I want my money back, however it is too late - unfortunately! 😕 ## Most praised reviews (10 highest-rated) ### 5/5 — Love it! *2021-05-17* Very handy in recording studio. ### 5/5 — Got noise? *2019-01-30* Excellent tool for analyzing sound background noise, and data transmission modes. Features allow zooming in and out and peek hold. ### 5/5 — Just the thing... *2019-01-15* Intuitive, simple, powerful. Read the FAQ, which is the user guide/manual. ### 5/5 — Tuning a Mbira *2018-09-13* Great app for tuning non stringed device. Good to see overtones and other “noisy” peaks. Works exactly as described. ### 5/5 — Excellent tool *2018-03-16* Great tool for analysis of audio sound. ### 5/5 — Accurate on iPad mini *2018-02-18* Happy with this app. Frequency markers on peaks very handy. Checked against 500 and 600 Hz tones on WWV and both were within 0.1 Hz. Recommended. ### 5/5 — Great for mobile frequency checking *2017-05-02* Recommend this for novices and pros. Great for setting up a sound room or booth. Good Job! ### 5/5 — Great *2016-10-28* Great App almost exactly what i was looking for! Great value. It works smoothly and easily. Minuses? Yes I wish it went to 40 kHz! While 20 covers the audio spectrum for most people, a few people (and most dogs) have hearing above that range. The instructions for selecting the filtering window need to be expanded. Other than those two minor whines, it is a great app ### 5/5 — Spectrum *2016-06-04* I am a UK radio amateur we get constant jamming with silly voice comments this program was great to identify and match who was jamming great stuff thanks ### 5/5 — Good intuitive competant product *2016-05-12, version 1.4.2* As spectrum analyses go this is pretty good for an iPad ! --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-03.*