Alternatives · Online Fax
EtherFax alternatives
As of Nov 13, 2026, the highest-graded EtherFax alternative is InterFAX (2.4 GPA).
EtherFax compared with 6 alternatives: SRFax, Sfax, InterFAX, FaxCore, Phaxio and 1 more.
EtherFax's current pricing could not be confirmed from its own site. None of the alternatives has a free plan. 2 more offer a free trial.
Listings checked up to Nov 13, 2026 · Where the facts come from
Black Friday: is there a EtherFax sale?
At a glance
How each one differs from EtherFax
SRFax
Email-to-fax service with HIPAA plans and a REST API
- SRFax starts at $10.70 per month for 200 pages, billed annually ($12.60 billed monthly).
- SRFax does not cover workflow automation, which EtherFax does.
Suits: Healthcare offices in the US and Canada that need HIPAA or PHIPA compliant faxing
Sfax
HIPAA cloud fax for healthcare offices, with print drivers and an API
- Sfax also lists Windows, macOS and iOS apps.
- Sfax does not cover workflow automation, which EtherFax does.
Suits: Medical offices that need audited, HIPAA-compliant faxing
InterFAX
Cloud fax by subscription or prepaid credit, with REST and SOAP APIs
- InterFAX starts at $9.95 per month for 100 inbound and 100 outbound pages, billed monthly.
Suits: Organizations that want a fax API alongside a plain subscription
FaxCore
Fax server software run on-premise, in the cloud or hybrid
- FaxCore also lists a Windows app.
Suits: IT teams replacing an aging fax server
Phaxio
Pay-per-page fax API for developers, from 7 cents a page
- Phaxio starts at $10 minimum top-up, then 7 cents per page in the US and Canada.
- Phaxio does not cover workflow automation, which EtherFax does.
Suits: Developers who need fax inside an application
Retarus Fax
Enterprise cloud fax with Outlook, API and printer connections
- Retarus Fax also lists a Windows app.
- Retarus Fax also covers reports.
- Retarus Fax does not cover workflow automation, which EtherFax does.
Suits: Large organizations with high or fluctuating fax volume
Limits worth knowing in EtherFax
- No prices are published; the site directs visitors to contact the company.
- Aimed at organizations, with no self-serve plan for individuals.
- Email faxing is described for Microsoft 365 and Google Workspace users.
Common questions
What are the alternatives to EtherFax?
The alternatives to EtherFax in this directory are SRFax, Sfax, InterFAX, FaxCore, Phaxio and Retarus Fax. Each one has a side-by-side comparison with EtherFax.
Is there a free alternative to EtherFax?
None of the alternatives listed here has a free plan. Sfax and InterFAX offer a free trial.
Which EtherFax alternatives work on Windows?
The EtherFax listing does not include a Windows app. Sfax, FaxCore and Retarus Fax list one.
Which EtherFax alternatives work on macOS?
The EtherFax listing does not include a macOS app. Sfax lists one.
When were these prices checked?
Each listing shows its own date. On this page they run from Oct 23, 2026 to Nov 13, 2026. Vendors change prices without notice, so confirm on their site before you buy.


