| Price from | $0.03/mo | $2.99/mo |
| Free plan | Yes | — |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| Plans published | 6 | 2 |
| Spec score · Online fax services | 8.9 (#9) | 7.4 (#77) |
| Spec score · Online Fax Services | 8.6 (#24) | 7.4 (#81) |
| Compliance support | hipaa | gdpr |
| Free plan | No | No |
| HIPAA | The homepage describes FaxSalad as offering secure and HIPAA compliant faxing. | Shotfax does not sign Business Associate Agreements and says covered entities and business associates should not use it to send protected health information. |
| Inbound faxing | Yes | No |
| International faxing | Yes | Yes |
| Security | FaxSalad says faxes are encrypted in transit and at rest on secure servers and are available in the portal for up to three months. | Shotfax says transmissions use TLS, files are encrypted at rest in Cloudflare R2, and it follows OWASP guidelines. |
| Virtual fax number | Yes | No |
