Kilohearts
Kilohearts Essentials
Free collection of over 30 effects usable as DAW plugins or Snapins.
VST3supportedAUsupportedAAXsupportedCLAPnot supportedWINsupportedMACsupportedLNXnot supported
Checked September 2026
Kilohearts Essentials vs SPAN (2026)
Kilohearts Essentials is best for producers wanting a full free effects toolkit inside one ecosystem; SPAN is best for visual frequency and loudness analysis while mixing or mastering. Kilohearts Essentials starts at Free and SPAN at Free.
FREE
Free real-time FFT spectrum analyzer for professional mixing and mastering.
VST3supportedAUsupportedAAXsupportedCLAPnot supportedWINsupportedMACsupportedLNXnot supported
| Kilohearts Essentials | SPAN | |
|---|---|---|
| Best for | producers wanting a full free effects toolkit inside one ecosystem | visual frequency and loudness analysis while mixing or mastering |
| Starting price | Free | Free |
| Free version | Yes | Yes |
| Free trial | — | — |
| Formats | VST3, AU, AAX | VST3, AU, AAX |
| OS | Windows, macOS | Windows, macOS |
| Key features | 30+ effects and Snapins, Compressor, EQ, Limiter, Reverb, Distortion modules, Works as Snapins in any Kilohearts Snapin Host, Free Kilohearts account required, New plugins added over time at no extra cost | FFT spectrum analysis with adjustable block size and overlap, Multi-channel analysis (stereo, mono, mid-side, 5.1/7.1), Stereo correlation metering, EBU R128 and K-system loudness metering, True peak detection and clipping indicator |
| Developer | Kilohearts | Voxengo |
Questions people ask
Kilohearts Essentials starts at Free; SPAN starts at Free.
30+ effects and Snapins, Compressor, EQ, Limiter, Reverb, Distortion modules, Works as Snapins in any Kilohearts Snapin Host, Free Kilohearts account required, New plugins added over time at no extra cost.
FFT spectrum analysis with adjustable block size and overlap, Multi-channel analysis (stereo, mono, mid-side, 5.1/7.1), Stereo correlation metering, EBU R128 and K-system loudness metering, True peak detection and clipping indicator.