---
description: Quickly find and compare the leading eFax vs Retarus alternatives. Comprehensive listing of competitors & similar tools for fast software selection and to contact several providers directly.
image: https://gdm-localsites-assets-gfprod.imgix.net/images/getapp/og_logo-94fd2a03a6c7a0e54fc0c9e21a1c0ce9.png
title: Compare eFax vs Retarus | GetApp Canada 2026
---

Breadcrumb: [Home](/) > [Digital Signature Software](/directory/281/digital-signatures/software) > [eFax \<span\>vs\</span\> Retarus](https://www.getapp.ca/compare/90810/2048292/efax/vs/retarus)

# Compare eFax vs Retarus

Canonical: https://www.getapp.ca/compare/90810/2048292/efax/vs/retarus

> Detailed comparison between eFax and Retarus. Check ratings, reviews, pricing, and features to make the best decision for your business.

-----

## At a Glance

| Metric | eFax | Retarus |
| **Overall rating** | 4.0/5 | 5.0/5 |
| **Total Reviews** | 70 | 1 |
| **Starting Price** | US$18.99 | - |
| **Free Trial** | No | Yes |
| **Free Version** | No | No |
| **Deployment** | Cloud, SaaS, Web-based, Android (Mobile), iPhone (Mobile), iPad (Mobile) | Cloud, SaaS, Web-based |
| **Support** | Email/Help Desk, FAQs/Forum, Knowledge Base Software, Phone Support, 24/7 (Live rep), Chat | Email/Help Desk, FAQs/Forum, Knowledge Base Software, Phone Support, 24/7 (Live rep), Chat |
| **Training Software** | In Person, Webinars, Documentation | In Person, Live Online, Webinars, Documentation |

## Key features

### eFax

- API
- Alerts/Notifications
- Archiving & Retention
- Automated Routing
- Compliance Management
- Delivery Tracking
- Digital Signature Software
- Document Storage
- Electronic Faxes
- Email Management Software
- Encryption Software
- Fax Management
- Fax to Email
- FoIP
- HIPAA Compliant
- Monitoring
- Reporting & Statistics
- Secure Data Storage
- Third-Party Integrations
- Whitelisting/Blacklisting

### Retarus

- API
- Alerts/Notifications
- Archiving & Retention
- Automated Routing
- Compliance Management
- Delivery Tracking
- Digital Signature Software
- Document Storage
- Electronic Faxes
- Email Management Software
- Encryption Software
- Fax Management
- Fax to Email
- FoIP
- HIPAA Compliant
- Monitoring
- Reporting & Statistics
- Secure Data Storage
- Third-Party Integrations
- Whitelisting/Blacklisting

## Links

- [View eFax Profile](https://www.getapp.ca/software/90810/efax)
- [View Retarus Profile](https://www.getapp.ca/software/2048292/retarus)
- [View Original Comparison](https://www.getapp.ca/compare/90810/2048292/efax/vs/retarus)

-----

## Structured Data

<script type="application/ld+json">
  {"@context":"https://schema.org","@graph":[{"name":"Compare eFax vs Retarus | GetApp Canada 2026","description":"Quickly find and compare the leading eFax vs Retarus alternatives. Comprehensive listing of competitors & similar tools for fast software selection and to contact several providers directly.","url":"https://www.getapp.ca/compare/90810/2048292/efax/vs/retarus","about":[{"@id":"https://www.getapp.ca/software/90810/efax#software"},{"@id":"https://www.getapp.ca/software/2048292/retarus#software"}],"breadcrumb":{"@id":"https://www.getapp.ca/compare/90810/2048292/efax/vs/retarus#breadcrumblist"},"@id":"https://www.getapp.ca/compare/90810/2048292/efax/vs/retarus#webpage","@type":["WebPage","CollectionPage"],"isPartOf":{"@id":"https://www.getapp.ca/#website"},"inLanguage":"en-CA","publisher":{"@id":"https://www.getapp.ca/#organization"}},{"name":"eFax","description":"eFax is a web-based fax service which allows companies to send and receive faxes via email from their desktop, laptop, tablet, or smartphone using their existing fax numbers. It allows users to safely and securely transmit fax documents to a recipient’s email inbox to ensure the confidentiality of sensitive information. eFax offers a convenient and efficient way to fax, eliminating the need for a fax machine. The eFax mobile app allows you to fax directly from your mobile device, giving you the flexibility to manage your faxes on the go.\n\neFax offers a range of plans designed to cater to your business's faxing requirements, enabling your team to securely send, receive, modify, and digitally sign important business faxes, no matter where they are. Need a HIPAA compliance solution?  We got a plan for that!\n\neFax Protect, our highly encrypted online fax plan provides a comprehensive solution for businesses seeking both compliance and security in their fax communications, enabling them to operate more efficiently and with confidence in the digital age. Empower your staff to securely receive, edit, sign, and send business faxes even while they are on the road. The HIPAA compliant eFax Mobile app for iOS and Android devices puts full fax functionality at your employees fingertips no matter where they are.","image":"https://gdm-catalog-fmapi-prod.imgix.net/ProductScreenshot/b0a9fd35-6a80-422e-a659-c9a8fc02f170.png","url":"https://www.getapp.ca/software/90810/efax","@id":"https://www.getapp.ca/software/90810/efax#software","@type":"SoftwareApplication","publisher":{"@id":"https://www.getapp.ca/#organization"},"applicationCategory":"BusinessApplication","aggregateRating":{"@type":"AggregateRating","ratingValue":4.0,"bestRating":5,"ratingCount":70},"offers":{"price":"18.99","@type":"Offer","priceCurrency":"USD"},"operatingSystem":"Cloud, Android, Platform ios, Platform ipad"},{"name":"Retarus","description":"Retarus is a global provider of cloud-based messaging services (Fax, E-Mail, and SMS) for enterprise business communications and process optimization. The Retarus Communications Platform opens new dimensions for fast and reliable exchange of business-relevant messages between people, machines, and applications as well as with customers, colleagues, and suppliers.","image":"https://gdm-catalog-fmapi-prod.imgix.net/ProductScreenshot/b7a12b5f-90a9-4f6c-b9af-620c3735b8f0.jpeg","url":"https://www.getapp.ca/software/2048292/retarus","@id":"https://www.getapp.ca/software/2048292/retarus#software","@type":"SoftwareApplication","publisher":{"@id":"https://www.getapp.ca/#organization"},"applicationCategory":"BusinessApplication","aggregateRating":{"@type":"AggregateRating","ratingValue":5.0,"bestRating":5,"ratingCount":1},"operatingSystem":"Cloud"},{"@id":"https://www.getapp.ca/compare/90810/2048292/efax/vs/retarus#breadcrumblist","@type":"BreadcrumbList","itemListElement":[{"name":"Home","position":1,"item":"/","@type":"ListItem"},{"name":"Digital Signature Software","position":2,"item":"/directory/281/digital-signatures/software","@type":"ListItem"},{"name":"eFax vs Retarus","position":3,"item":"https://www.getapp.ca/compare/90810/2048292/efax/vs/retarus","@type":"ListItem"}]}]}
</script>