| Price from | Free | $0.03/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| iOS | — | Yes |
| Android | — | Yes |
| API | Yes | — |
| Plans published | 4 | 6 |
| Spec score · Online fax services | 8.4 (#31) | 8.9 (#9) |
| Spec score · Online Fax Services | 7.9 (#52) | 8.6 (#24) |
| Compliance support | gdpr | hipaa |
| Free plan | No | No |
| Inbound faxing | Yes | Yes |
| International faxing | Yes | Yes |
| Receiving | Customers can receive faxes through their own fax number, with reception charged at a flat rate rather than per incoming fax. | Incoming faxes can be delivered to multiple email recipients as PDFs and accessed through the FaxSalad portal. |
| Service | blueFAX sends and receives faxes online through the internet, with its fax functions hosted in a data centre in Germany. | FaxSalad lets customers send and receive faxes from email, a smartphone, and online. |
| Support | Prepaid includes email support, while Premium includes phone and email support. | FaxSalad says its support team responds to contact form inquiries and support cases within 24 hours. |
| Virtual fax number | Yes | Yes |