What is the best free iPhone fax app?

mFax is the top pick for most iPhone users — it offers pay-as-you-go faxing with no monthly commitment, a 4.8-star App Store rating, and a 98% delivery success rate. For a completely free plan, Fax.Plus offers 100 pages per month at no cost.

How do I send a fax from my iPhone?

Download a fax app like mFax, upload or scan your document, enter the recipient's fax number, and tap Send. The whole process takes under 2 minutes. You don't need a fax machine, landline, or monthly contract.

Is there a built-in fax app on iPhone?

No. Apple does not include a native fax app in iOS. You need a third-party app from the App Store, such as mFax, iFax, or Fax.Plus, to send or receive faxes from your iPhone.

Which iPhone fax app is best for HIPAA compliance?

For healthcare and HIPAA-regulated documents, mFax Business and Fax.Plus both offer HIPAA-compliant plans with encryption and Business Associate Agreements (BAA). See our [guide to HIPAA-compliant fax services](/blog/best-hipaa-compliant-fax-services/) for full details.

Can you send a fax from iPhone without a monthly subscription?

Yes. mFax uses a pay-per-fax credit model — you buy credits and use them as needed, with no mandatory monthly fee. FaxBurner also has a genuine free tier for very occasional faxing (5 outbound pages per month).

iPhone Fax App: Best Options for Sending Faxes (2026)

The right iPhone fax app turns your phone into a fax machine in under 2 minutes — no hardware, no store trip, no contract. We break down the best options in 2026 and exactly what to look for before you download.

Frequently Asked Questions

What is the best free iPhone fax app?: mFax is the top pick for most iPhone users — it offers pay-as-you-go faxing with no monthly commitment, a 4.8-star App Store rating, and a 98% delivery success rate. For a completely free plan, Fax.Plus offers 100 pages per month at no cost.
How do I send a fax from my iPhone?: Download a fax app like mFax, upload or scan your document, enter the recipient's fax number, and tap Send. The whole process takes under 2 minutes. You don't need a fax machine, landline, or monthly contract.
Is there a built-in fax app on iPhone?: No. Apple does not include a native fax app in iOS. You need a third-party app from the App Store, such as mFax, iFax, or Fax.Plus, to send or receive faxes from your iPhone.
Which iPhone fax app is best for HIPAA compliance?: For healthcare and HIPAA-regulated documents, mFax Business and Fax.Plus both offer HIPAA-compliant plans with encryption and Business Associate Agreements (BAA). See our [guide to HIPAA-compliant fax services](/blog/best-hipaa-compliant-fax-services/) for full details.
Can you send a fax from iPhone without a monthly subscription?: Yes. mFax uses a pay-per-fax credit model — you buy credits and use them as needed, with no mandatory monthly fee. FaxBurner also has a genuine free tier for very occasional faxing (5 outbound pages per month).