etherfax vs retarus

Etherfax vs Retarus

The main difference between Etherfax and Retarus is how they offer faxing as a service. Etherfax gives healthcare providers easy and secure faxing solutions. Meanwhile, Retarus offers cloud-based digital faxing with comprehensive developer API for seamless integration.

Etherfax and Retarus Comparison

Retarus vs Etherfax



HIPAA Compliance

Secure Fax Transmissions

Fax Broadcasting









Custom pricing





Etherfax vs Retarus

Comparing Etherfax vs Retarus shows what to expect from each service and how they differ.


Etherfax uses Secure Exchange Network (SEN), a leading software-defined network (SDN) with hybrid cloud technology. It ensures safe and secure fax communications and protects sensitive information from anyone with malicious intent.

Retarus, on the other hand, secures its fax processes via HTTS transfers and uses both VPN and encrypted TLS connections to safeguard data. Its NeverBusy Technology and multiple storage centers for redundant backups also offer maximum availability, ensuring the continuity of its faxing services.

User Experience

EtherFAX features a clean and easy-to-navigate portal wherein you can easily manage and monitor all your fax communications. Its UI design is similar to an email service, eliminating possibilities of confusion. You can also check the status of your incoming and outgoing faxes in one glance.

As for Retarus, it makes a great alternative to etherFAX with its modern-looking user interface. Its portal includes features and options beyond digital faxing, making it more suitable for large enterprises that require a comprehensive communications solution.

If you want a service that’s more focused on fax, go with etherFax.

Etherfax vs Retarus

Regulatory Compliance

If you consider etherFax an alternative to Retarus for HIPAA-compliant faxing, you can count on it to safeguard your patient data and other critical business information. Besides HIPAA, this service is also HITRUST and PCI DSS certified.

Retarus, given its enterprise-focused solutions, takes pride in offering industry-compliant cloud fax services. It’s also HIPAA-compliant and 100% GDPR-compliant with an AI-based intelligent document recognition engine.

Fax Broadcasting

Etherfax, through its Developer APIs, allows etherFAX-enabled apps to schedule and broadcast fax campaigns. Still, it’s unclear if sending fax broadcasts is possible through its client portal without using another system or app.

Meanwhile, Retarus offers broadcast services for high-volume fax transmissions. The web-based solution allows the simultaneous sending of faxes to a targeted group of recipients for marketing, IR, PR, and other purposes.

API and Developer Support

The Etherfax Developer API is a RESTful API that allows organizations and enterprises to add fax functionality to their existing applications. This way, Etherfax-enabled apps can leverage Advanced Encryption Standard (AES) technology to safeguard communications and secure all documents sent and received through fax.

As an Etherfax alternative, the Retarus Developer API is a robust API that offers a wider range of features than the Etherfax Developer API. In addition to sending and receiving faxes, it provides numerous customization options to fit the specific needs of your organization or business.

Pricing and Plans

Etherfax’s pricing structure depends upon the solutions or integrations you need. There’s no fixed monthly or yearly pricing that caters to users of any level. If you want to tailor the fax service to meet specific compliance and workflow requirements, you’ll have to speak with its representatives and have them provide you with a custom quote.

Meanwhile, Retarus operates on a “pay-per-use” basis. Hence, there are no plans with fixed monthly or yearly membership costs. If you want to use any of its products, you must request a custom quotation from its sales experts. You can also test how the fax service works for free.

Etherfax vs Retarus

Comparing Etherfax and Retarus

When comparing Retarus vs Etherfax, it is essential to note that both services offer secure and convenient faxing minus the hassle of maintaining fax machines. However, choosing between these services can be challenging, especially if you still haven’t identified your exact faxing needs and preferences.

Etherfax provides secure fax services to healthcare providers with an easy-to-use client portal, email integration, and HIPAA-compliant document exchange. It also offers robust faxing to anyone looking to fulfill their high-volume faxing tasks in the most efficient way possible. 

Retarus is a global provider of cloud-based communications services offering a comprehensive range of solutions, including fax, email, SMS voice services, and more. The fax service also provides a secure developer API for fax integration with other business applications.

iFax: The Best EtherFAX and Retarus Alternative

iFax offers a transparent pricing structure. Unlike many competitors, it displays its pricing on its website. With our fax service, you can securely communicate with clients or patients and ensure the safety of protected health information.

Here are some of the things that you can do better with iFax:

  • Send and receive faxes regardless of the device you’re using
  • Manage team accounts, add users, and modify access for existing users
  • Launch custom fax broadcasts for different types of campaigns

Want to explore iFax and leverage its capabilities to optimize your workflows? Why not sign up now and see the difference?

Kent Cañas

Kent is a content strategist currently specializing in HIPAA-compliant online fax. Her expertise in this field allows her to provide valuable insights to clients seeking a secure and efficient online fax solution.

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