Holodeck B2B vs phase4
| Holodeck B2B | phase4 | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | Free | Free |
| Open source | No | No |
| Platforms | Linux, macOS, Windows | Linux, macOS, self-hosted, Web, Windows |
| Peppol access | Yes | Yes |
| API access | Yes | Yes |
| Deployment | on-premise | on-premise |
| Free plan | — | No |
| Tax validation | — | No |
| Structured formats | — | UBL |
Both are listed in Best Electronic Invoicing Software. On Freedom251, phase4 scores higher on our published basis.