---
description: Side-by-side comparison of Opkey vs Mailinator. 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: Opkey vs Mailinator Comparison - Capterra UK 2026
---

Breadcrumb: [Home](/) > [Automation Testing Tools](/directory/30609/automated-testing/software) > [Opkey \<span\>vs\</span\> Mailinator](https://www.capterra.co.uk/compare/208393/1012640/opkey/vs/mailinator)

# Compare Opkey vs Mailinator

Canonical: https://www.capterra.co.uk/compare/208393/1012640/opkey/vs/mailinator

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

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## At a Glance

| Metric | Opkey | Mailinator |
| **Overall rating** | 5.0/5 | 4.7/5 |
| **Total Reviews** | 4 | 146 |
| **Starting Price** | - | US$79.00 |
| **Free Trial** | No | Yes |
| **Free Version** | No | Yes |
| **Deployment** | Cloud, SaaS, Web-based, Windows (On-Premise) | Cloud, SaaS, Web-based |
| **Support** | Email/Help Desk, FAQs/Forum, Knowledge Base, Phone Support, 24/7 (Live rep), Chat | Email/Help Desk, FAQs/Forum, Knowledge Base, Phone Support, Chat |
| **Training** | In Person, Live Online, Webinars, Documentation, Videos | Documentation, Videos |

## Best for

### Opkey

Financial Services, Manufacturing, Technology, Healthcare, Energy, and more.

### Mailinator

Mailinator is used by Developers, Dev/Ops Teams, QA Testers, and QA Testing teams. &#10;&#10;Companies like Docusign, FitBit, HP and others count on Mailinator to ensure that their automated workflows work.

## Key features

### Opkey

- API
- Action-Word Testing
- Model-Based Testing
- Parameterised Testing
- Requirements-Based Testing
- Security Testing
- Static Analysis

### Mailinator

- API
- Activity Dashboard
- Email Monitoring
- Inbox Management
- Move & Copy
- Multiple User Accounts
- Parameterised Testing
- Performance Management
- Performance Testing
- Quality Assurance
- Requirements-Based Testing
- Response Management
- Routing
- Shared Inboxes
- Software Testing Management
- Spam Blocker

## Links

- [View Opkey Profile](https://www.capterra.co.uk/software/208393/opkey)
- [View Mailinator Profile](https://www.capterra.co.uk/software/1012640/mailinator)
- [View Original Comparison](https://www.capterra.co.uk/compare/208393/1012640/opkey/vs/mailinator)

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