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InterFAX alternatives · Online Fax

InterFAX alternatives with a Windows app

The InterFAX listing does not include a Windows app. 10 of the 24 other online fax services in this directory list a Windows app.

InterFAX is a paid product with a free trial, starting at $9.95 per month for 100 inbound and 100 outbound pages, billed monthly. None of them has a free plan.

10 tools · Listings checked up to Nov 13, 2026 · Where the facts come from

How each one differs from InterFAX

  1. eFax

    Online fax by email, web and apps, with personal and business plans

    • eFax starts at $15.83 per month for 200 pages, billed annually ($18.99 billed monthly). InterFAX starts at $9.95 per month for 100 inbound and 100 outbound pages, billed monthly.
    • Only eFax lists Windows, iOS and Android apps.
    • InterFAX also covers workflow automation.
    eFax vs InterFAXeFax pricing and details

  2. Sfax

    HIPAA cloud fax for healthcare offices, with print drivers and an API

    • Only Sfax lists Windows, macOS and iOS apps.
    • InterFAX also covers workflow automation.
    Sfax vs InterFAXSfax pricing and details

  3. FaxCore

    Fax server software run on-premise, in the cloud or hybrid

    • Only FaxCore lists a Windows app.
    FaxCore vs InterFAXFaxCore pricing and details

  4. Retarus Fax

    Enterprise cloud fax with Outlook, API and printer connections

    • Only Retarus Fax lists a Windows app.
    • Retarus Fax also covers reports.
    • InterFAX also covers workflow automation.
    Retarus Fax vs InterFAXRetarus Fax pricing and details

  5. Fax.Plus

    Online fax by web, email, desktop and mobile apps, priced by pages

    • Fax.Plus starts at $6.99 per month for 200 pages, billed annually ($8.99 billed monthly). InterFAX starts at $9.95 per month for 100 inbound and 100 outbound pages, billed monthly.
    • Only Fax.Plus lists macOS, Windows, iOS and Android apps.
    • InterFAX also covers workflow automation.
    Fax.Plus pricing and details

  6. iFax

    Online fax apps and fax API, with HIPAA plans and AI fax reading

    • iFax starts at $12.49 per month for 200 pages, billed annually ($14.99 billed monthly). InterFAX starts at $9.95 per month for 100 inbound and 100 outbound pages, billed monthly.
    • Only iFax lists macOS, Windows, iOS and Android apps.
    • InterFAX also covers workflow automation.
    iFax pricing and details

  7. CocoFax

    Online fax from the web, email, Google and Microsoft apps

    • CocoFax starts at $4.99 per month for 60 pages, billed yearly ($7.99 billed monthly). InterFAX starts at $9.95 per month for 100 inbound and 100 outbound pages, billed monthly.
    • Only CocoFax lists Windows, macOS and Android apps.
    • Only CocoFax lists a browser extension.
    • InterFAX also covers workflow automation.
    CocoFax pricing and details

  8. Faxage

    Internet fax by email, web, app and API, from $3.49 a month

    • Faxage starts at $3.49 per month per line, plus 5 cents a minute used. InterFAX starts at $9.95 per month for 100 inbound and 100 outbound pages, billed monthly.
    • Only Faxage lists Windows, iOS and Android apps.
    • InterFAX also covers workflow automation.
    Faxage pricing and details

  9. WiseFax

    Pay-per-page online fax with an optional fax number subscription

    • WiseFax starts at $8.00 per month for a fax number. InterFAX starts at $9.95 per month for 100 inbound and 100 outbound pages, billed monthly.
    • Only WiseFax lists Windows, macOS, iOS and Android apps.
    • Only WiseFax lists a browser extension.
    • WiseFax also covers pDF editing.
    WiseFax pricing and details

  10. Fax.de

    German pay-as-you-send fax, letter and SMS service

    • Fax.de starts at €2.50 per month plus VAT (Fine, prepaid yearly). InterFAX starts at $9.95 per month for 100 inbound and 100 outbound pages, billed monthly.
    • Only Fax.de lists Windows, iOS and Android apps.
    • Fax.de also covers sMS marketing.
    • InterFAX also covers workflow automation.
    Fax.de pricing and details

Common questions

Which InterFAX alternatives have a Windows app?

eFax, Sfax, FaxCore, Retarus Fax, Fax.Plus, iFax, CocoFax, Faxage and 2 more list a Windows app.

Does InterFAX have a Windows app?

The InterFAX listing does not include a Windows app. It lists Web.

When was this checked?

Each listing shows its own date. On this page they run from Oct 23, 2026 to Nov 13, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to InterFAX: the alternatives its listing names first, then the tools that share the most features with it.