| Price from | $60/mo | Free |
| Free plan | — | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| API | Yes | — |
| Self-hosted | Yes | — |
| Plans published | 5 | 5 |
| Spec score · Online Fax Services | 9.1 (#2) | 7.9 (#57) |
| Spec score · Online fax services | 9.0 (#7) | 8.3 (#39) |
| Compliance | FaxCore states that its Azure-hosted service is SOC 2 operated and supports PCI- and HIPAA-compliant faxing. | ReliaFax says it is working toward formal compliance certifications; its privacy policy says SOC 2 Type II controls are modeled, with an independent audit planned but not completed. |
| Compliance support | hipaa | none |
| Founded | 2002 | 2025 |
| Free plan | No | No |
| Headquarters | Parker, Colorado, United States | Edmonton, Alberta, Canada |
| Inbound faxing | Yes | Yes |
| Intended users | FaxCore describes its solutions as serving Fortune 500 and Fortune Global 500 companies and organizations with enterprise fax needs. | The maker describes use cases in healthcare, legal, real estate, and finance. |
| Monthly page allowance | 500 | 100 |
| Security | FaxCore describes HTTPS, two-factor authentication, end-to-end encryption, and in-network routing as security measures for protecting faxes. | The service states that it uses TLS in transit, AES-256 encryption at rest, audit logging, and role-based access controls. |
| 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. | Basic includes email support; Pro, Toll-Free, and Business include priority support. |