ETHERFAX vs Flex Email-to-Fax
| ETHERFAX | Flex Email-to-Fax | |
|---|---|---|
| Platforms | api, Linux, macOS, self-hosted, Web, Windows | Web |
| Virtual fax number | Yes | Yes |
| Inbound faxing | Yes | |
| International faxing | Yes | |
| Compliance support | hipaa and gdpr |
Listed together in Best Online Fax Services