Cygnet e-Invoicing vs phase4
| Cygnet e-Invoicing | phase4 | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | api, self-hosted, Web | Linux, macOS, self-hosted, Web, Windows |
| Peppol access | Yes | Yes |
| Tax validation | Yes | No |
| API access | Yes | Yes |
| Structured formats | JSON, XML | UBL |
| Deployment | hybrid | on-premise |
| Free plan | — | No |
Both are listed in Best Electronic Invoicing Software. On Everything Xiaomi, phase4 scores higher on our published basis.