Live Spectrogram

🇺🇸 United States
Krueger Systems, Inc.  | 
52
ASO score
Text
54/100
Reviews
50/100
Graphic
60/100
Other
0/100
rating
App Rating
3
rating
Votes
12
rating
App Age
13y 10m
rating
Last Update
Mar 10, 2025

Compare with Category Top Apps

Metrics
Current App
Category Top Average
Difference
Rating
2.97
4.56
-35%
Number of Ratings (Voted)
12
578.6K
-100%
App Age
13y 9m
8y 0m
+73%
Price
$2
$0
In-app Purchases Price
$0
$41
Update Frequency
276d
32d
+775%
Title Length
16
26
-38%
Subtitle Length
30
27
+11%
Description Length
431
2 766
-84%
Number of Screenshots
1002
1277
-22 %
Size
15MB
223MB
-93 %

Category Ranking in United States

All
New
Trending Up
Trending Down
Top Dec 04, 2025 Dec 11, 2025
No results were found!
Top Dec 04, 2025 Dec 11, 2025
No results were found!
Top Dec 04, 2025 Dec 11, 2025
No results were found!
Top Dec 04, 2025 Dec 11, 2025
No results were found!

Ranking Keywords in United States

Keywords App Rank
Illustration
Analyze this and other apps using Asolytics tools

Text ASO

Title (
Characters: 16 of 30
)
Live Spectrogram
Subtitle (
Characters: 30 of 30
)
Realtime audio spectral viewer
Description (
Characters: 431 of 4000
)
Visualize audio with this handy tool. It displays the frequencies of sound around you over time. The horizontal axis is time, the vertical is frequency, and the intensity of frequencies is shown using pretty shades of red. Use it to: Perfect your singing voice Analyze the call of animals Identify and locate annoying sounds around your house Learn about the world of frequency analysis I hope you enjoy this handy little tool!}

Visual ASO

Screenshots

Rating & Reviews

Reviews Overview
🧐 Coming Soon…
Rating
3
12 voters

Some Latest Reviews

ILoveSoundWaves
21 Nov, 2025
5
This app is simple, but really nice. Of course the better your mic is, the better it will work. I’m using an iPhone 16 which has a really good microphone, and it can pick up sound frequencies that I can’t even hear with my ears. It’s neat to see the real time sounds being printed on the spectrogram. I suppose if I were to want additional features, it would be the ability to record, and also maybe see a history of one minute or two of past sounds. Other than that, I love it and I feel it was worth $2.
Napstack
29 Oct, 2024
4
it would be nice if i could zoom in more, but still does all i need well enough.

Other

Additional Information
Rating:
2.97
Voted: 12
App Store Link:
Price: 1.99 $
Website:
Email: -
Privacy Policy:
Categories: Music, Utilities
Size: 15MB
App Age: 13 years 10 months
Release Date: Feb 21, 2012
Last Update: Mar 10, 2025
Version: 1.3
Version history
1.3
Mar 10, 2025
Updated for iOS 18
1.2
Sep 03, 2020
Added a logarithmic scale option
Version history