| Price from | $3.29/mo | $5/mo |
| Free plan | Yes | — |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| API | — | Yes |
| Plans published | 3 | 4 |
| Spec score · Online fax services | 8.1 (#44) | 8.9 (#11) |
| Spec score · Customer Service Fax Software | 8.3 (#6) | 8.7 (#3) |
| Spec score · eFax Software | 8.0 (#14) | 8.6 (#8) |
| Spec score · Online Fax Services | 7.7 (#65) | 9.1 (#3) |
| Free plan | Yes | No |
| Inbound faxing | No | Yes |
| International faxing | The service also sends paid faxes to many other countries; for most countries the FAQ lists $3.63 for up to 15 pages. | Yes |
| Virtual fax number | No | Yes |
| What it does | FaxZero lets users send faxes to fax machines in the United States, including Puerto Rico, and Canada without owning a fax machine. | MyFax is a cloud fax service that sends and receives faxes through email, a browser portal, or mobile apps without fax hardware. |