Free three-band upward/downward multiband compressor originally from Ableton's Multiband Dynamics preset.
VST3supportedAUsupportedAAXsupportedCLAPnot supportedWINsupportedMACsupportedLNXnot supported
Checked September 2026
OTT vs FabFilter Pro-C 3 (2026)
OTT is best for aggressive multiband upward/downward compression; FabFilter Pro-C 3 is best for transparent to characterful compression across mixing and mastering. OTT starts at Free and FabFilter Pro-C 3 at $199 one-time.
Professional compressor plug-in with 14 compression styles and full Dolby Atmos support.
VST3supportedAUsupportedAAXsupportedCLAPsupportedWINsupportedMACsupportedLNXnot supported
| OTT | FabFilter Pro-C 3 | |
|---|---|---|
| Best for | aggressive multiband upward/downward compression | transparent to characterful compression across mixing and mastering |
| Starting price | Free | $199 one-time |
| Free version | Yes | No |
| Free trial | — | Yes |
| Formats | VST3, AU, AAX | VST3, AU, AAX, CLAP |
| OS | Windows, macOS | Windows, macOS |
| Key features | 3-band upward and downward compression, Depth control for wet/dry blend, Resizable, redesigned GUI, Apple Silicon native and Pro Tools AAX support, VST2/VST3/AU/AAX formats | 14 compression styles, Character modes with analog saturation and coloring, Side-chain EQ up to 6 bands, Dolby Atmos support up to 9.1.6, Auto Threshold, Auto Gain, Auto Release |
| Developer | Xfer Records | FabFilter |
Questions people ask
OTT starts at Free; FabFilter Pro-C 3 starts at $199 one-time.
3-band upward and downward compression, Depth control for wet/dry blend, Resizable, redesigned GUI, Apple Silicon native and Pro Tools AAX support, VST2/VST3/AU/AAX formats.
14 compression styles, Character modes with analog saturation and coloring, Side-chain EQ up to 6 bands, Dolby Atmos support up to 9.1.6, Auto Threshold, Auto Gain, Auto Release.