Signalizer Alternatives

    Signalizer is described as 'all-in-one signal visualizing package with a bunch of unique focus-points; real-time audio visualization with optimized 3D GPU graphics, everything being scalable and zoomable gridlessly as well as being arbitrarily precise in both settings and display'. There are more than 10 alternatives to Signalizer for Windows, Linux, Android and Mac. The best alternative is Friture, which is both free and Open Source. Other great apps like Signalizer are Spectroid (Free), Scope (Free Personal), Visual Analyser (Free) and xoscope (Free, Open Source).

    This page was last updated Sep 20, 2021

    1. Friture is a program designed to analyze audio input in real-time. Friture displays audio data in several widgets, such as a scope, a spectrum analyzer, or a rolling 2D spectrogram.
    2. Real-time audio spectrum analyzer with reasonable frequency resolution across the the entire frequency spectrum. - Spectrum - Waterfall - Max-hold trace - Peak markers - Linear or logarithmic frequency scale
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      • Free PersonalProprietary
      • Windows
      The PC based Soundcard Oscilloscope receives its data from the Soundcard with 44.1kHz and 16 Bit resolution. The data source can be selected in the Windows mixer (Microphone, Line-In or Wave).
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      • FreeProprietary
      • Windows
      A powerful software implementing a Spectrum Analyzer, Oscilloscope, Frequency meter, Distorsiometer, Volt meter and more... plus complete D/A conversion, ZRLC, Impedance meter
      • FreeOpen Source
      • Linux
      Xoscope uses the input of your Sound Card, EsounD and/or a ProbeScope/osziFOX and Bitscope-Hardware. It supports 8 channels and a variable timeline, math, storage, measurements, and load/save data.


      • FreeProprietary
      • Windows
      WaveSpectra is a tool that (FFT fast Fourier transform) an audio signal as input and sound card, the Wave file, and displays the frequency components (spectrum) in real time.
      • Windows
      Zelscope is a Windows software that converts your PC into a dual-trace storage oscilloscope and spectrum analyzer.
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      • FreemiumProprietary
      • Windows
      TrueRTA's audio spectrum analyzer software shows you a detailed picture of what you're hearing in real-time, that is, as it happens. You can create your own professional measurement system starting with TrueRTA software on your PC.
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      • FreeOpen Source
      • Android
      FOSS oscilloscope app, available on f-droid. Features: -Oscilloscope - Spectrum.
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      • FreeProprietary
      • Mac
      iSpectrum is an easy to use audio spectrum analyzer that allows you to view live audio in a standard frequency plot, a stereo oscilloscope view and a waterfall display. You can adjust the display resolution, center frequency and save images to disk.
    Showing 10 of 10 alternatives