Groundwire vs Halcyon
| Groundwire | Halcyon | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | iOS, Android | Android, Linux |
Both are listed in Best Softphone and Calling Apps. On Freedom251, Halcyon scores higher on our published basis.