Effect / Soundtheory
Gullfoss
Gullfoss is an intelligent equalizer that uses a computational auditory perception model to improve a mix's clarity, detail, spatiality, and balance.
Plugin comparison
Specs, price and the Dubspot Score, side by side — with our verdict on which effect to buy.
Independent score / workflow fit / buying signal
Contenders
Effect / Soundtheory
Gullfoss is an intelligent equalizer that uses a computational auditory perception model to improve a mix's clarity, detail, spatiality, and balance.
Valhalla VintageVerb is an algorithmic reverb plugin offering 22 reverb modes and three vintage color modes emulating different eras of digital reverb.
Score verdict
On the Dubspot Score, Valhalla VintageVerb comes out ahead (9.2). That said, the right pick depends on your workflow and budget — read both reviews before deciding.
Technical matrix
| Signal | Gullfoss | Valhalla VintageVerb |
|---|---|---|
| Price | — | $50 |
| Dubspot Score | 8.7 | 9.2 |
| Formats | AU, VST, VST3, AAX Native | VST2.4, VST3, AU, AAX |
| Official price | EUR 178.00 (no USD price listed on the official store) | — |
| Editions | Gullfoss, Gullfoss Live, Gullfoss Master (share one installer) | — |
| Processing latency | ~20ms (Gullfoss & Gullfoss Master); ~2ms (Gullfoss Live) | — |
| Sample rates | 16 kHz to 384 kHz | — |
| Channels | Mono-to-mono or stereo-to-stereo (stereo compatible with M/S) | — |
| EQ update rate | ~300 equalizer updates per second; ~1000 auditory model updates per second | — |
| System requirements | macOS 10.9+ / Windows 7+, 64-bit host, OpenGL 3.2+; iLok License Manager for activation (no dongle required) | — |
| Reverb modes | — | 22 (Concert Hall, Bright Hall, Plate, Room, Chamber, Cathedral, Nonlin, and more) |
| Color modes | — | 3 (1970s, 1980s, Now) |
| Plugin formats | — | VST2.4, VST3, AAX (Win/Mac), AU (Mac); all 64-bit |
| Current version | — | 4.0.5 |
| Mac support | — | macOS 10.9 and later; Intel and Apple Silicon (M1-M5) |
| Windows support | — | Windows 7/8/10/11 |
See the full plugin database for more comparisons.