Reviews of Spectrogram Pro (with super-smooth 60Hz update)

By: Dominik Seibold App

List of user reviews and ratings for Spectrogram Pro (with super-smooth 60Hz update)

Total ratings

3.80 (Rating count: 26)

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Review summary

Overall, users praise Spectrogram Pro for its fast real-time updates and polished visuals, with practical utility for analyzing harmonics and pitches. However, recurrent issues include missing features (no zoom/range control, no playback/record/export), and reliability problems (crashes when saving images). Some users also note the app hasn’t seen recent updates. Despite these drawbacks, many find it a capable, visually appealing tool for real-time sound analysis.

Pros

Real-time, fast update rate for immediate visualization of sounds
Visually appealing spectrogram with easy-to-read, adjustable scales, colors, and gain, plus handy frequency cursors
Remarkably sensitive mic input visualization suitable for analyzing harmonics, pitches, and formants
Practical, real-world usefulness across music, diagnostics, and sound identification

Cons

No zoom/pan or ability to define a frequency range; only a single frequency guideline is shown
Lacks playback/recording and export options; cannot save or replay audio or spectrogram data
Crashes when saving images (stability issue) on some devices

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User Reviews

Recent rating average: 3.10

All time rating average: 3.80

Upgrade to see all 32 reviews

13% (4)

Date	Author	Comment
2023-07-31	De*****	Useless to me if i can’t zoom in or in other words restrict the frequency range that it covers
Useless to me if i can’t zoom in or in other words restrict the frequency range that it covers
2021-04-16	B.*****	I purchased this years ago because it would display the electronic resonance carrier waves emitted by powerful RF emissions, like cell phone towers. Now, over the past year or so, the developers have deliberately removed these background resonance waves from being displayed; I can only guess why. I have emailed them twice with no response. I’m pretty sure they know what they did, and why.
I purchased this years ago because it would display the electronic resonance carrier waves emitted by powerful RF emissions, like cell phone towers. Now, over the past year or so, the developers have deliberately removed these background resonance waves from being displayed; I can only guess why. I have emailed them twice with no response. I’m pretty sure they know what they did, and why.
2020-12-27	cc*****	It’s pretty good. It has a fast output, it reads sounds almost immediately. But there’s no playback and isolation option. I feel like that should be a basic feature in a pro version.
It’s pretty good. It has a fast output, it reads sounds almost immediately. But there’s no playback and isolation option. I feel like that should be a basic feature in a pro version.
2020-10-17	Dr*****	It is fast, with easy-to-read and adjustable scales, colors and gain. I also like the frequency cursors!
It is fast, with easy-to-read and adjustable scales, colors and gain. I also like the frequency cursors!
2019-08-29	Fu*****	If you want to know if a high pitch squeal is coming from a device, this app is great for sniffing it out. Really fast update rate and UI response. Log vs linear is great for really dialing in higher or lower frequencies.
If you want to know if a high pitch squeal is coming from a device, this app is great for sniffing it out. Really fast update rate and UI response. Log vs linear is great for really dialing in higher or lower frequencies.
2019-03-25	Hu*****	Programmers took away the 16-20kHz frequencies. Can no longer see the Easter eggs in movies.
Programmers took away the 16-20kHz frequencies. Can no longer see the Easter eggs in movies.
2018-10-27	mi*****	This app isn’t bad. I use it every day. But it lacks some spit-n-polish that a “pro” app should have. For example you get one - ONE - guideline. You cannot demarcate a range, you can only target one single frequency. The most glaring problem though, is if you leave it running in the background, even in paused mode, it will ravage your battery. An iPad Pro that normally lasts weeks on a charge is completely discharged within 3 hours even though the app was in the background and the iPad put to sleep. SO BE CAREFUL! The last update was a year ago, so this is likely as good as it gets.
This app isn’t bad. I use it every day. But it lacks some spit-n-polish that a “pro” app should have. For example you get one - ONE - guideline. You cannot demarcate a range, you can only target one single frequency. The most glaring problem though, is if you leave it running in the background, even in paused mode, it will ravage your battery. An iPad Pro that normally lasts weeks on a charge is completely discharged within 3 hours even though the app was in the background and the iPad put to sleep. SO BE CAREFUL! The last update was a year ago, so this is likely as good as it gets.
2018-05-13	cy*****	I don’t know Bode from booty, but this is the most perfect frequency app for anyone, musician or not, to explore the world around them. Buy now.
I don’t know Bode from booty, but this is the most perfect frequency app for anyone, musician or not, to explore the world around them. Buy now.
2018-03-31	If*****	Pinpointed exactly what I was I looking for in seconds
Pinpointed exactly what I was I looking for in seconds
2017-10-05	nk*****	One of the nicest looking spectrograms around, unfortunately it only supports mic input. Does not work with AudioBus or AUM.
One of the nicest looking spectrograms around, unfortunately it only supports mic input. Does not work with AudioBus or AUM.