Mailgun
Email Service for Developers
MailSlurp
Modern Email APIs for Developers and QA teams.
Updated February 2026
| Mailgun | MailSlurp | |
|---|---|---|
| Rating | 5.0★ | 5.0★ |
| Reviews | 6 | 1 |
| Pros | 0 | 0 |
| FactScore™ | 42.3 | 15.1 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in Mailgun — Pros
No unique pros listedBoth tools — Pros
—Only in MailSlurp — Pros
No unique pros listedOnly in Mailgun — Cons
—Both tools — Cons
—Only in MailSlurp — Cons
—Details
| Mailgun | MailSlurp | |
|---|---|---|
| Categories | Email clients, Automation tools, Email marketing | Email clients, Testing and QA software |
| Platforms | Web | Web |
| Became Popular | January 26, 2015 | January 3, 2018 |
| Website | www.mailgun.com | www.mailslurp.com |
Who Should Pick Which?
Choose Mailgun if...
- No unique pros listed
Choose MailSlurp if...
- No unique pros listed
With a FactScore™ of 42.3 vs 15.1, Mailgun leads in community reception. Mailgun uniquely offers No unique pros listed, while MailSlurp stands out for No unique pros listed.
What Users Say
Mailgun
Mailgun stands out for its robust email delivery infrastructure, high deliverability rates, and advanced analytics. It offers easy integration with powerful APIs, comprehensive email tracking, and ...
Shoutout to Mailgun for their powerful email API, which integrates seamlessly with MailTock to keep your transactional emails on track.
Email delivery we can actually rely on. Onboarding emails, waiting list notifications — all powered by Mailgun.
MailSlurp
ProxiedMail offers a much simpler UI and better PHP client
Related Comparisons
Frequently Asked Questions
Which is better, Mailgun or MailSlurp?
Based on FactScore™, Mailgun leads with a score of 42.3 vs 15.1. Mailgun has a higher rating of 5.0★ compared to 5.0★.
What are the pros of Mailgun compared to MailSlurp?
Mailgun uniquely offers: No unique pros listed.
What are the pros of MailSlurp compared to Mailgun?
MailSlurp uniquely offers: No unique pros listed.
Is Mailgun better rated than MailSlurp?
Mailgun is rated 5.0★ from 6 reviews. MailSlurp is rated 5.0★ from 1 reviews.
What is the FactScore™ of Mailgun and MailSlurp?
FactScore™ weighs rating and review volume together. Mailgun scores 42.3 and MailSlurp scores 15.1.
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