| Price from | $60/mo | $9.75/mo |
| Free plan | — | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | Yes |
| macOS | — | Yes |
| Linux | — | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| API | Yes | — |
| Self-hosted | Yes | — |
| Plans published | 5 | 8 |
| Spec score · Online Fax Services | 9.1 (#2) | 8.6 (#24) |
| Spec score · Online fax services | 9.0 (#7) | 8.6 (#21) |
| Email faxing | Users can send through Outlook or any SMTP email client without requiring an Exchange connector. | Faxes can be sent and received through existing email accounts. |
| Free plan | No | No |
| Headquarters | Parker, Colorado, United States | Vancouver, British Columbia, Canada |
| Inbound faxing | Yes | Yes |
| International faxing | Yes | Yes |
| Monthly page allowance | 500 | 250 |
| Security | FaxCore describes HTTPS, two-factor authentication, end-to-end encryption, and in-network routing as security measures for protecting faxes. | The FAQ says SuperFax uses a secure server with SSL encryption and no human interaction with a fax; the privacy policy also says sensitive information submitted online is encrypted with SSL. |
| 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. | Customer support is offered by email and telephone Monday through Friday from 8:00 AM to 5:00 PM Pacific time. |
| What it does | FaxCore is an enterprise fax server offered on premises, in a hybrid etherFAX configuration, or as a cloud service. | SuperFax provides email-based internet faxing for sending and receiving faxes. |