Battery 4 vs Helm
| Battery 4 | Helm | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | macOS, Windows | Linux, macOS, Windows |
| Free plan | No | Yes |
| Paid from | 199 one-time | — |
| Standalone app | Yes | Yes |
| Plugin formats | — | LV2, VST, VST3, AU, AAX |
Both are listed in Best Software Synthesizers. On Samsung Mobile US Press, Helm scores higher on our published basis.