SPAN by Voxengo is one of the most widely used free spectrum analyzers. It provides real-time FFT analysis with adjustable block size, overlap, and smoothing. Features include multi-channel support, stereo correlation meter, RMS/peak metering, and configurable spectrum display.
| Version | 3.8 |
|---|---|
| Pricing Model | Free |
Yes, SPAN by Voxengo is completely free to download and use in your DAW.
AAX, AU, VST3.
macOS and Windows.
Ableton Live, Bitwig Studio, Cubase, FL Studio, Logic Pro, Pro Tools, and more.
Free
Free loudness metering to EBU R128, ATSC A/85, and more
Free
Professional audio metering plugins — EBU R128, True Peak, K-System
Free
Open-source virtual modular synthesizer based on VCV Rack
$99