GotFreeFax vs InterFAX

GotFreeFax is a fax service available through Android, iOS, web, and an API. It lets you send documents from a computer or phone without a fax machine, special software, or an account, and provides a virtual fax number, inbound faxing, and international destinations in more than 200 countries and regions. The free plan costs nothing and allows two faxes per day, with up to three pages per fax in the US and Canada. Pay-per-fax options cost $1.25 a month for one fax up to 10 pages, $2.45 a month up to 20 pages, or $3.75 a month up to 30 pages. Prepaid credits are $9.95 a month for 100 pages, $19.95 a month for 250, and $49.95 a month for 800. Uploads support up to 10 files and a combined 40 MB domestically or 20 MB internationally. Files are automatically deleted after five days.

InterFAX is a hosted online fax service for sending and receiving faxes through web-connected applications, without installing software. Users can fax through email, the web interface, mobile devices, or scanning devices, and the service supports inbound and international faxing. Developers can add cloud fax to applications using REST or SOAP APIs. Listed integrations include Epic, Salesforce, OncoEMR, and email providers. Features include customizable headers and cover pages, granular permissions, delivery confirmations, retry settings, OCR, document workflows, activity reporting, and an audit trail. Bulk fax broadcasting supports up to 20,000 recipients. InterFAX describes TLS encryption, signature authentication, and an option to delete faxes after completion. It also describes HIPAA, PHIPA, and PCI DSS compliance, plus ISO 27001 accreditation. Pricing is available on request, and a 30-day trial is offered; there is no free plan. Prepaid faxing has no monthly minimums or fees, while receiving faxes requires a subscription with a monthly page allowance.