| Price from | $18.99/mo | $12.49/mo |
| Free plan | — | — |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| API | Yes | — |
| Plans published | 3 | 3 |
| Spec score · Online Fax Services | 9.2 (#1) | 7.9 (#46) |
| Spec score · Online fax services | 9.1 (#4) | 7.7 (#59) |
| Spec score · eFax Software | 9.3 (#1) | 7.4 (#19) |
| Spec score · Customer Service Fax Software | 9.3 (#1) | 7.6 (#11) |
| Compliance support | hipaa | hipaa and gdpr |
| Founded | 1999 | 2008 |
| Free plan | No | No |
| Headquarters | Los Angeles, California, United States | San Francisco, California, United States |
| Inbound faxing | Yes | Yes |
| International faxing | Yes | Yes |
| Mobile apps | eFax provides Android and iOS applications for sending and receiving faxes from smartphones and tablets. | Yes |
| Monthly page allowance | 200 | 200 |
| Virtual fax number | Yes | Yes |
