DialPhone Online Fax vs InterFAX

DialPhone Online Fax sends and receives faxes online, without a physical fax machine or dedicated fax line. It provides virtual fax numbers, inbound faxing, and service in 105 countries, with local numbers available on request. Sending options include apps for Mac, Windows, iOS, and Android, a web app, a print driver, and integrations with Microsoft Teams, Outlook, Gmail, Box, Dropbox, and Google Drive. DocuSign and Adobe Sign integrations support faxing signed PDFs. The service describes itself as HIPAA, FINRA, and GDPR compliant and PCI-DSS ready, with a Business Associate Agreement available. Listed safeguards include AES-256 encryption in transit and at rest, role-based inbox access, audit logs, and multi-region data residency. Each transmission produces a timestamped confirmation and audit entry; failed sends retry automatically. Basic is $9.99 a month billed annually, for one user, with one local number and a 1,500-minute monthly fair-use cap. A 14-day free trial requires no credit card.

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.