Free massive delay and reverb plugin with 22 out-of-this-world echo/reverb modes.
VST3supportedAUsupportedAAXsupportedCLAPnot supportedWINsupportedMACsupportedLNXnot supported
Checked September 2026
Valhalla Supermassive is best for massive reverbs, harmonic echoes, space sounds; Valhalla Shimmer is best for ethereal decay and pitch shifting soundscapes. Valhalla Supermassive starts at Free and Valhalla Shimmer at $50 one-time.

Free massive delay and reverb plugin with 22 out-of-this-world echo/reverb modes.

Algorithmic pitch-shifting reverb built for huge, ethereal shimmer-style ambiences.
| Valhalla Supermassive | Valhalla Shimmer | |
|---|---|---|
| Best for | massive reverbs, harmonic echoes, space sounds | ethereal decay and pitch shifting soundscapes |
| Starting price | Free | $50 one-time |
| Free version | Yes | No |
| Free trial | — | Yes |
| Formats | VST3, AU, AAX | VST3, AU, AAX |
| OS | Windows, macOS | Windows, macOS |
| Key features | 22 reverb/delay modes, Feedback delay networks up to 2 seconds per delay, WARP control for morphing textures, 64-bit VST2.4/VST3/AAX/AU, Native Intel/Apple Silicon builds | Pitch-shifting shimmer reverb engine, Mono/Small Stereo/Medium Stereo/Big Stereo modes, Smoothed, clickless real-time parameter control, Highly CPU-optimized algorithm, 64-bit VST2.4/VST3/AAX/AU |
| Developer | Valhalla DSP | Valhalla DSP |