| Price from | $18.99/mo | $9.75/mo |
| Free plan | — | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| Linux | — | Yes |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| API | Yes | — |
| Plans published | 3 | 8 |
| Spec score · Online Fax Services | 9.2 (#1) | 8.6 (#24) |
| Spec score · Online fax services | 9.1 (#4) | 8.6 (#21) |
| Free plan | No | No |
| Headquarters | Los Angeles, California, United States | Vancouver, British Columbia, Canada |
| Inbound faxing | Yes | Yes |
| International faxing | Yes | Yes |
| Monthly page allowance | 200 | 250 |
| Rating on Google Play | 4.1 out of 5 from 15.8K reviews | 4.3 out of 5 from about 1.2K reviews. |
| Virtual fax number | Yes | Yes |
| What it does | eFax sends, receives, stores and signs faxes through email, web portals, mobile devices and cloud services without a physical fax machine. | SuperFax provides email-based internet faxing for sending and receiving faxes. |
