About
Visualize sound frequencies in real-time with a dynamic spectrum display. Log and export audio data for analysis, with options for smoothing and background processing. Access all features offline.
What's New in Noise Spectrum Logger
2.2
December 23, 2025
Built with Xcode 26.2 and the latest SDKs.
In-App Purchases
$3.99
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Developer apps
FAQ
What is Noise Spectrum Logger used for?
Noise Spectrum Logger displays the power spectrum of sound in the 20-20000Hz range. It allows users to log this data and export it as a CSV file for further analysis in applications like Excel.
Can I use Noise Spectrum Logger offline?
Yes, all functions of Noise Spectrum Logger are available without cellular data service. You can use its full capabilities even when offline.
How does Noise Spectrum Logger handle background processing?
The logging function of Noise Spectrum Logger can be used even when your iPhone is in your pocket. This allows for continuous data collection without needing to actively use the app.
What technical specifications does Noise Spectrum Logger use?
Noise Spectrum Logger utilizes a sample rate of 44.1kHz, a bit depth of 32bit float, a Blackman FFT window function, and 8192 FFT samples for its analysis.
What is the age rating for Noise Spectrum Logger?
Noise Spectrum Logger has an age rating of 12+. This indicates it is suitable for users aged 12 and above.
How often is Noise Spectrum Logger updated?
The latest version of Noise Spectrum Logger is 2.2, which was last updated on December 23, 2025. This suggests a relatively recent update.
What devices does Noise Spectrum Logger support?
Noise Spectrum Logger is available on iPhone, iPad, and iPod. It is designed to function across these Apple mobile devices.
Does Noise Spectrum Logger have ads?
No, Noise Spectrum Logger does not contain advertisements. The app is free to use without any ad interruptions.
