---
description: Side-by-side comparison of JustCall vs Retarus. 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: JustCall vs Retarus Comparison - Capterra UK 2026
---

Breadcrumb: [Home](/) > [Call Centre Software](/directory/30007/call-center/software) > [JustCall \<span\>vs\</span\> Retarus](https://www.capterra.co.uk/compare/157853/186266/justcall/vs/retarus-cloud-fax)

# Compare JustCall vs Retarus

Canonical: https://www.capterra.co.uk/compare/157853/186266/justcall/vs/retarus-cloud-fax

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

-----

## At a Glance

| Metric | JustCall | Retarus |
| **Overall rating** | 4.1/5 | 5.0/5 |
| **Total Reviews** | 223 | 1 |
| **Starting Price** | US$29.00 | - |
| **Free Trial** | Yes | Yes |
| **Free Version** | No | No |
| **Deployment** | Cloud, SaaS, Web-based, Mac (Desktop), Windows (Desktop), Android (Mobile), iPhone (Mobile), iPad (Mobile) | Cloud, SaaS, Web-based |
| **Support** | Email/Help Desk, FAQs/Forum, Knowledge Base, 24/7 (Live rep), Chat | Email/Help Desk, FAQs/Forum, Knowledge Base, Phone Support, 24/7 (Live rep), Chat |
| **Training** | Live Online, Webinars, Documentation | In Person, Live Online, Webinars, Documentation |

## Best for

### JustCall

Small and mid sized businesses to large enterprises.

### 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.

## Key features

### JustCall

- 2-Way Messaging
- API
- Alerts/Notifications
- Archiving & Retention
- Auto-Dialer
- Automated Routing
- Call Tracking
- Computer Telephony Integration
- HIPAA Compliant
- Lead Management
- Monitoring
- Natural Language Processing
- Real-Time Monitoring
- Reporting & Statistics
- Reporting/Analytics
- SMS Marketing
- SMS Messaging
- Scheduled Messaging
- Third-Party Integrations

### Retarus

- 2-Way Messaging
- API
- Alerts/Notifications
- Archiving & Retention
- Automated Routing
- Encryption
- HIPAA Compliant
- Monitoring
- Real-Time Monitoring
- Reporting & Statistics
- Reporting/Analytics
- SMS Marketing
- SMS Messaging
- Scheduled Messaging
- Third-Party Integrations

## Links

- [View JustCall Profile](https://www.capterra.co.uk/software/157853/justcall)
- [View Retarus Profile](https://www.capterra.co.uk/software/186266/retarus-cloud-fax)
- [View Original Comparison](https://www.capterra.co.uk/compare/157853/186266/justcall/vs/retarus-cloud-fax)

-----

## Structured Data

<script type="application/ld+json">
  {"@context":"https://schema.org","@graph":[{"name":"JustCall vs Retarus Comparison - Capterra UK 2026","description":"Side-by-side comparison of JustCall vs Retarus. 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/157853/186266/justcall/vs/retarus-cloud-fax","about":[{"@id":"https://www.capterra.co.uk/software/157853/justcall#software"},{"@id":"https://www.capterra.co.uk/software/186266/retarus-cloud-fax#software"}],"breadcrumb":{"@id":"https://www.capterra.co.uk/compare/157853/186266/justcall/vs/retarus-cloud-fax#breadcrumblist"},"@id":"https://www.capterra.co.uk/compare/157853/186266/justcall/vs/retarus-cloud-fax#webpage","@type":["WebPage","CollectionPage"],"isPartOf":{"@id":"https://www.capterra.co.uk/#website"},"inLanguage":"en-GB","publisher":{"@id":"https://www.capterra.co.uk/#organization"}},{"name":"JustCall","description":"JustCall is the only AI-powered business communication platform that brings calls, texts, email, and WhatsApp together in one place. It helps customer-facing teams work more efficiently, respond faster, and connect better with prospects and customers. No more juggling tools or tabs - just faster responses, smoother workflows, and better conversations with prospects and customers.\n\nToday, 6,000+ businesses worldwide trust JustCall to:\n✅ Manage every customer conversation in one place\n✅ Automate repetitive tasks and workflows \n✅ Get real-time AI insights that make conversations smarter\n✅ Provide 24/7 support with inbound AI Voice Agents \n\nWhat you get with JustCall\n✅ Calling: Global phone numbers, inbound/outbound calling, smart routing, auto/dynamic/predictive dialers\n✅ Messaging: SMS &amp; MMS, workflows, bots, shared WhatsApp inbox, multi-level IVR, shared email inbox\n✅ AI features: AI agents, real-time agent assist, AI coaching, sentiment analysis, call scoring &amp; SMS Copilot.","image":"https://gdm-catalog-fmapi-prod.imgix.net/ProductScreenshot/f81948f1-32d0-4a13-aed4-511eeb4a40e1.jpeg","url":"https://www.capterra.co.uk/software/157853/justcall","@id":"https://www.capterra.co.uk/software/157853/justcall#software","@type":"SoftwareApplication","publisher":{"@id":"https://www.capterra.co.uk/#organization"},"applicationCategory":"BusinessApplication","aggregateRating":{"@type":"AggregateRating","ratingValue":4.1,"bestRating":5,"ratingCount":223},"offers":{"price":"29","@type":"Offer","priceCurrency":"USD"},"operatingSystem":"Cloud, Apple, Windows, Android, Platform ios, Platform ipad"},{"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","@id":"https://www.capterra.co.uk/software/186266/retarus-cloud-fax#software","@type":"SoftwareApplication","publisher":{"@id":"https://www.capterra.co.uk/#organization"},"applicationCategory":"BusinessApplication","aggregateRating":{"@type":"AggregateRating","ratingValue":5.0,"bestRating":5,"ratingCount":1},"operatingSystem":"Cloud"},{"@id":"https://www.capterra.co.uk/compare/157853/186266/justcall/vs/retarus-cloud-fax#breadcrumblist","@type":"BreadcrumbList","itemListElement":[{"name":"Home","position":1,"item":"/","@type":"ListItem"},{"name":"Call Centre Software","position":2,"item":"/directory/30007/call-center/software","@type":"ListItem"},{"name":"JustCall vs Retarus","position":3,"item":"https://www.capterra.co.uk/compare/157853/186266/justcall/vs/retarus-cloud-fax","@type":"ListItem"}]}]}
</script>
