---
description: Side-by-side comparison of Retarus vs eCall. Learn more about each of the product's price, features, and see the most comprehensive reviews for UK business users.
image: https://gdm-localsites-assets-gfprod.imgix.net/images/capterra/og_logo-e5a8c001ed0bd1bb922639230fcea71a.png?auto=format%2Cenhance%2Ccompress
title: Retarus vs eCall Comparison - Capterra UK 2026
---

Breadcrumb: [Home](/) > [Fax Server Software](/directory/31088/fax-server/software) > [Retarus \<span\>vs\</span\> eCall](https://www.capterra.co.uk/compare/186266/1028496/retarus-cloud-fax/vs/ecall)

# Compare Retarus vs eCall

Canonical: https://www.capterra.co.uk/compare/186266/1028496/retarus-cloud-fax/vs/ecall

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

-----

## At a Glance

| Metric | Retarus | eCall |
| **Overall rating** | 5.0/5 | - |
| **Total Reviews** | 1 | 0 |
| **Starting Price** | - | - |
| **Free Trial** | Yes | Yes |
| **Free Version** | No | No |
| **Deployment** | Cloud, SaaS, Web-based | Cloud, SaaS, Web-based, Mac (Desktop), Windows (Desktop), Linux (Desktop), Chromebook (Desktop) |
| **Support** | Email/Help Desk, FAQs/Forum, Knowledge Base, Phone Support, 24/7 (Live rep), Chat | Email/Help Desk, FAQs/Forum, Phone Support, 24/7 (Live rep), Chat |
| **Training** | In Person, Live Online, Webinars, Documentation | In Person, Live Online, Documentation |

## Best for

### Retarus

Retarus is a global provider of cloud-based messaging services (Fax, E-Mail, and SMS) for enterprise businesses in healthcare, pharma, finance, banking, manufacturing, logistics, retail, and more.

### eCall

eCall is a professional business messaging solution for your business and suitable for all industries

## Key features

### Retarus

- 2-Way Messaging
- API
- Autoresponders
- Document Storage
- Electronic Faxes
- Email Management
- Encryption
- Fax Management
- Fax to Email
- HIPAA Compliant
- Multiple Format Support
- Reporting & Statistics
- Reporting/Analytics
- SMS Marketing
- SMS Messaging
- SSL Security
- Scheduled Messaging
- Secure Data Storage
- Shortcodes
- Status Tracking

### eCall

- 2-Way Messaging
- API
- Autoresponders
- Document Storage
- Electronic Faxes
- Email Management
- Encryption
- Fax Management
- Fax to Email
- HIPAA Compliant
- Multiple Format Support
- Reporting & Statistics
- Reporting/Analytics
- SMS Marketing
- SMS Messaging
- SSL Security
- Scheduled Messaging
- Secure Data Storage
- Shortcodes
- Status Tracking

## Links

- [View Retarus Profile](https://www.capterra.co.uk/software/186266/retarus-cloud-fax)
- [View eCall Profile](https://www.capterra.co.uk/software/1028496/ecall)
- [View Original Comparison](https://www.capterra.co.uk/compare/186266/1028496/retarus-cloud-fax/vs/ecall)

-----

## Structured Data

<script type="application/ld+json">
  {"@context":"https://schema.org","@graph":[{"name":"Retarus vs eCall Comparison - Capterra UK 2026","description":"Side-by-side comparison of Retarus vs eCall. Learn more about each of the product's price, features, and see the most comprehensive reviews for UK business users.","url":"https://www.capterra.co.uk/compare/186266/1028496/retarus-cloud-fax/vs/ecall","about":[{"@id":"https://www.capterra.co.uk/software/186266/retarus-cloud-fax#software"},{"@id":"https://www.capterra.co.uk/software/1028496/ecall#software"}],"breadcrumb":{"@id":"https://www.capterra.co.uk/compare/186266/1028496/retarus-cloud-fax/vs/ecall#breadcrumblist"},"@type":["WebPage","CollectionPage"],"@id":"https://www.capterra.co.uk/compare/186266/1028496/retarus-cloud-fax/vs/ecall#webpage","isPartOf":{"@id":"https://www.capterra.co.uk/#website"},"inLanguage":"en-GB","publisher":{"@id":"https://www.capterra.co.uk/#organization"}},{"name":"Retarus","description":"Rethink communications. Streamline fax, email, and SMS, integrating communications across a single enterprise platform. Improve reliability, deliverability, efficiency, and compliance with Retarus, a global leader in cloud fax, enterprise SMS, and transactional email services.","url":"https://www.capterra.co.uk/software/186266/retarus-cloud-fax","@type":"SoftwareApplication","@id":"https://www.capterra.co.uk/software/186266/retarus-cloud-fax#software","applicationCategory":"BusinessApplication","publisher":{"@id":"https://www.capterra.co.uk/#organization"},"aggregateRating":{"@type":"AggregateRating","ratingValue":5.0,"bestRating":5,"ratingCount":1},"operatingSystem":"Cloud"},{"name":"eCall","description":"The Swiss communication service for your business.\n\nSend and receive professional SMS via the eCall Gateway. Use our platform to communicate with your customers via WhatsApp, RCS, email, Instagram, video, live chat, Facebook Messenger, Telegram and more.\n\nFind out more about our Cloud Contact Centre.","image":"https://gdm-catalog-fmapi-prod.imgix.net/ProductScreenshot/be6e2906-396b-4dec-b8d2-98257d6af3c6.jpeg","url":"https://www.capterra.co.uk/software/1028496/ecall","@type":"SoftwareApplication","@id":"https://www.capterra.co.uk/software/1028496/ecall#software","applicationCategory":"BusinessApplication","publisher":{"@id":"https://www.capterra.co.uk/#organization"},"operatingSystem":"Cloud, Apple, Windows, Linux, Chrome"},{"@type":"BreadcrumbList","itemListElement":[{"name":"Home","position":1,"item":"/","@type":"ListItem"},{"name":"Fax Server Software","position":2,"item":"/directory/31088/fax-server/software","@type":"ListItem"},{"name":"Retarus vs eCall","position":3,"item":"https://www.capterra.co.uk/compare/186266/1028496/retarus-cloud-fax/vs/ecall","@type":"ListItem"}],"@id":"https://www.capterra.co.uk/compare/186266/1028496/retarus-cloud-fax/vs/ecall#breadcrumblist"}]}
</script>