This program turns your device into a simple oscilloscope function of the spectrum analyzer, signal source is the microphone input of your device. With this program you will be able to compare the level of noise (sound) in different areas or from different sources, as well as to determine the spectrum of audio signals. You can take a picture signal by moving the program mode pause and examine in greater detail the form and spectrum of individual sections of the signal.
The spectrum of the signal is determined using FFT.
Latest Version
2.0Uploaded by
BOLDEN
Requires Android
Android 5.0+
Category
Free Tools AppContent Rating
Everyone
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Flag as inappropriateLast updated on Feb 4, 2026
Minor bug fixes and improvements. Install or update to the newest version to check it out!