Free modeled analog output distortion plugin for adding grit and warmth.
VST3supportedAUsupportedAAXsupportedCLAPnot supportedWINsupportedMACsupportedLNXnot supported
Checked September 2026
Saturation Knob vs ShaperBox 3 (2026)
Saturation Knob is best for quick analog-style saturation on bass, vocals, and mix bus; ShaperBox 3 is best for rhythmic, LFO-driven modulation of drive, filter, and volume. Saturation Knob starts at Free and ShaperBox 3 at an unpublished price.
Modulation and effects bundle with 11 drawable-LFO shaper modules including Drive and Crush.
VST3supportedAUsupportedAAXsupportedCLAPnot supportedWINsupportedMACsupportedLNXnot supported
| Saturation Knob | ShaperBox 3 | |
|---|---|---|
| Best for | quick analog-style saturation on bass, vocals, and mix bus | rhythmic, LFO-driven modulation of drive, filter, and volume |
| Starting price | Free | Not public |
| Free version | Yes | No |
| Free trial | — | Yes |
| Formats | VST3, AU, AAX | VST3, AAX, AU |
| OS | Windows, macOS | Windows, macOS |
| Key features | Three distortion modes: Keep High, Neutral, Keep Low, Single-knob analog saturation modeling, Available as native, Modular (Eurorack), and Amp Room versions, Extended Features panel option | 11 shaper modules (Drive, Crush, Filter, Volume, Pan, Width, etc.), Drawable LFO waveforms with multiband (3-band) processing, External sidechain input and envelope followers, Beat-synced rhythm effects, Oscilloscope visualization |
| Developer | Softube | Cableguys |
Questions people ask
Saturation Knob starts at Free; ShaperBox 3 starts at a price not published online.
Three distortion modes: Keep High, Neutral, Keep Low, Single-knob analog saturation modeling, Available as native, Modular (Eurorack), and Amp Room versions, Extended Features panel option.
11 shaper modules (Drive, Crush, Filter, Volume, Pan, Width, etc.), Drawable LFO waveforms with multiband (3-band) processing, External sidechain input and envelope followers, Beat-synced rhythm effects, Oscilloscope visualization.