| Price from | $60/mo | $3.33/mo |
| Free plan | — | — |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| API | Yes | — |
| Self-hosted | Yes | — |
| Plans published | 5 | 9 |
| Spec score · Online Fax Services | 9.1 (#2) | 7.7 (#62) |
| Spec score · Online fax services | 9.0 (#7) | 7.7 (#62) |
| Compliance support | hipaa | hipaa |
| Email faxing | Users can send through Outlook or any SMTP email client without requiring an Exchange connector. | Users can send faxes from email by attaching documents and addressing the message to the destination fax number at the Redfax email domain. |
| Free plan | No | No |
| Inbound faxing | Yes | Yes |
| Integrations | The site lists integrations with Office 365, Exchange, SQL Server, SharePoint, Microsoft Active Directory, SAP, and MFP connectors. | Redfax says Google Cloud Print can be used to configure a printer to automatically print incoming faxes. |
| Monthly page allowance | 500 | 600 |
| 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. | Redfax says phone support is available Monday through Friday from 9 a.m. to 5 p.m. EST. |
