| Price from | $60/mo | $2/mo |
| Free plan | — | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| API | Yes | Yes |
| Self-hosted | Yes | — |
| Plans published | 5 | 4 |
| Spec score · Fax APIs | 9.0 (#2) | 7.6 (#19) |
| Spec score · eFax Software | 8.9 (#3) | 7.4 (#20) |
| Integrations | The site lists integrations with Office 365, Exchange, SQL Server, SharePoint, Microsoft Active Directory, SAP, and MFP connectors. | Barcode data can be posted to an application, and outgoing faxes can include metadata such as order numbers, user IDs, or patient record numbers. |
| Product | FaxCore provides enterprise fax server software deployed on-premises, as a managed cloud service, or in a hybrid configuration. | Phaxio provides an API for sending and receiving faxes through software applications. |
| Support | Support is available by phone, email, remote access, and a support ticket form; phone support hours are Monday through Friday, 9 AM to 8 PM Eastern Time. | The FAQ directs users with questions to [email protected]. |