Helm vs Spire
| Helm | Spire | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | Yes | |
| Paid from | Free | |
| Platforms | Linux, macOS, Windows | macOS, Windows |
| Free plan | Yes | No |
| Plugin formats | LV2, VST, VST3, AU, AAX | AU, AAX, CLAP, VST2/VST3 |
| Standalone app | Yes | |
| Paid from | 189 one-time | |
| Supported platforms | windows_macos | |
| Included presets | 1,000 presets |
Listed together in Best Software Synthesizers