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Head-to-head · Audio Visualizer Software

Fosfora vs Radiance

  • Updated Nov 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Fosfora #1 in Audio Visualizer Software 9.4/10 Free plan Free plan✓ 4 of 4 features Visit Fosfora
Radiance #7 in Audio Visualizer Software 8.6/10 Free plan Free plan✓ 0 of 4 features Visit Radiance

Fosfora leads on 0 checks, Radiance on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreFosfora · 9.4/10
  • Free planboth
  • Most featuresFosfora · 4 of 4

Fosfora scores higher on our rubric for audio visualizer software: 9.4 against 8.6 out of 10; our editors rank them #1 and #7.

Fosfora is the better fit for advanced cross-platform live visual production. Radiance is the better fit for open-source shader effects across desktops.

  • Fosfora fits best

    Advanced cross-platform live visual production

  • Radiance fits best

    Open-source shader effects across desktops

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Side by side

Feature Fosfora 9.4/10 Visit ↗ Radiance 8.6/10 Visit ↗
At a glance
Editor score 9.4 8.6
Ranking #1 in Audio Visualizer Software #7 in Audio Visualizer Software
Best for Advanced cross-platform live visual production Open-source shader effects across desktops
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Desktop Desktop
Platforms Windows, macOS, Linux Windows, macOS, Linux
Integrations 10 integrations 2 integrations
Built for Solo, Small business, Mid-market Solo, Small business
Features Fosfora 4/4 · Radiance 0/4
Waveform visuals ✓ (best) Not checked yet
Spectrum visuals ✓ (best) Not checked yet
Video export ✓ (best) Not checked yet
Transparent export ✓ (best) Not checked yet
Specs
Max resolution 8k Not checked yet
Platform coverage Desktop Desktop
Max audio length Not checked yet Not checked yet
Our review
Pros
  • Audio-reactive shaders, particles, waveforms, spectra, and spectrograms
  • Up to eight compositing layers with blend modes and media inputs
  • NDI, Spout, Syphon, virtual-camera output, and video recording
  • 150+ preloaded GPU-accelerated shader effects
  • Beat detection, multi-screen output, and projection mapping
  • Runs on Windows, macOS, and Linux
Cons
  • Its extensive controls may require more setup than simpler visualizers
  • WGSL shader editing is aimed at users comfortable with shader workflows
  • It focuses on desktop live production rather than a lightweight mobile workflow
  • Desktop-only distribution excludes browser and mobile workflows
  • Live WGSL editing favors users comfortable with shader code
  • Its broad live-performance toolkit may exceed simple visualizer needs
Our verdict

Fosfora is a free, open-source desktop music visualizer and VJ engine for Windows, macOS, and Linux. It analyzes computer audio in real time and drives GPU-rendered shaders, particle simulations, and layered compositions. The software is…

Read the review →

Radiance is free, open-source video art software for VJs and live performers who need generated visuals across desktop operating systems. It connects shader effects with video clips, images, webcams, live streams, and YouTube videos, then…

Read the review →
  1. FosforaAudio Visualizer Software 9.4Free plan
  2. RadianceAudio Visualizer Software 8.6Free plan

Strengths and trade-offs

  • Fosfora — where it wins

    • Audio-reactive shaders, particles, waveforms, spectra, and spectrograms
    • Up to eight compositing layers with blend modes and media inputs
    • NDI, Spout, Syphon, virtual-camera output, and video recording

    Where it doesn't

    • Its extensive controls may require more setup than simpler visualizers
    • WGSL shader editing is aimed at users comfortable with shader workflows
    • It focuses on desktop live production rather than a lightweight mobile workflow
  • Radiance — where it wins

    • 150+ preloaded GPU-accelerated shader effects
    • Beat detection, multi-screen output, and projection mapping
    • Runs on Windows, macOS, and Linux

    Where it doesn't

    • Desktop-only distribution excludes browser and mobile workflows
    • Live WGSL editing favors users comfortable with shader code
    • Its broad live-performance toolkit may exceed simple visualizer needs

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Nov 2026

Last updated · How we research and update