8.2Great
sonible smart:EQ 4 is an AI-powered equalizer that detects and corrects spectral imbalances and balances up to 10 tracks together.
Plugin comparison
sonible smart:EQ 4 vs oeksound spiff
Specs, price and the Dubspot Score, side by side — with our verdict on which effect to buy.
Independent score / workflow fit / buying signal
Contenders
The side-by-side
Effect / oeksound
oeksound spiff
8.5Great
An adaptive transient processor that detects transients via spectral analysis and cuts or boosts them with time- and frequency-specific controls.
Score verdict
Which should you buy?
On the Dubspot Score, oeksound spiff comes out ahead (8.5). That said, the right pick depends on your workflow and budget — read both reviews before deciding.
Technical matrix
Specs compared
| Signal | sonible smart:EQ 4 | oeksound spiff |
|---|---|---|
| Price | €129.00 | — |
| Dubspot Score | 8.2 | 8.5 |
| Formats | VST, VST3, AU (Mac only), AAX | VST, VST3, AU (macOS only), AAX (Pro Tools 11 and up) |
| Cross-channel processing | Up to 10 tracks balanced together | — |
| Sample rate support | 44.1 kHz to 192 kHz | — |
| Apple Silicon | Native support | — |
| Authorization | Machine-based or iLok | — |
| OS requirements | Windows 10 (64-bit) or macOS 10.14+ | — |
| Profiles | Instrument, vocal, and genre-based profiles; custom profiles via reference track | — |
| Type | — | Adaptive transient processor (cut or boost transients) |
| Detection | — | Analyzes incoming signal via spectral analysis; recognizes when and where transients appear adaptively |
| Processing | — | Applies cuts or boosts using dynamic filters; no crossovers, eliminating crossover artifacts |
| Windows support | — | Windows 7-11, 64-bit (no ARM support) |
| macOS support | — | macOS 10.14 (Mojave) to macOS 26 (Tahoe); Apple Silicon supported; Intel through macOS 15 |
| Licensing | — | iLok account and iLok License Manager required; one license activates on 2 machines |
See the full plugin database for more comparisons.