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
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Contenders
Soundtoys SpaceBlender is an experimental reverb for imaginary spaces, with X/Y envelope shaping, spectral color evolution, and tails up to 60 seconds.
Valhalla Supermassive is a free reverb and delay plugin from Valhalla DSP with 22 feedback-delay-network modes for massive ambient spaces.
Score verdict
On the Dubspot Score, Valhalla Supermassive comes out ahead (8.9). That said, the right pick depends on your workflow and budget — read both reviews before deciding.
Technical matrix
| Signal | Soundtoys SpaceBlender | Valhalla Supermassive |
|---|---|---|
| Price | $99 | Free |
| Dubspot Score | 8.2 | 8.9 |
| Formats | VST3, VST2, AU, AAX | VST2.4, VST3, AU, AAX |
| Type | Experimental algorithmic reverb | Feedback delay network reverb / delay |
| Time range | 100 ms to 60 seconds; tempo sync available | — |
| Formats | AAX Native, AAX AudioSuite, VST2, VST3, AU (64-bit) | VST2.4, VST3, AAX (Win/Mac); AU (Mac); 64-bit |
| Platforms | macOS 10.15+; Windows 10+ (not ARM Windows) | — |
| Bundle | Included in Soundtoys 5 | — |
| Manual | Official SpaceBlender manual PDF on Soundtoys site | — |
| Modes | — | 22 constellation-named reverb/delay algorithms |
| Price | — | Free |
| Windows | — | Windows 7/8/10/11 (64-bit) |
| macOS | — | OS X 10.9+ / macOS; Intel and Apple Silicon |
| Max delay | — | Up to ~2 seconds per delay line in the FDN |
See the full plugin database for more comparisons.