MailerSend vs Mailgun: Complete Comparison (2026)
An in-depth comparison of MailerSend and Mailgun to help you choose the right tool for your business.
Last updated: November 2026
MailerSend
6.9/10
MailerSend is a transactional email and SMS API with SMTP relay and a template builder, aimed at developers and businesses sending app-triggered messages.
Mailgun
6.8/10
Mailgun is a developer-focused email API and SMTP relay service that apps and businesses use to send, receive, track and validate transactional and bulk email.
Feature-by-Feature Comparison
| Feature | | |
|---|---|---|
| Scores | ||
| Overall Rating | 6.9/10 | 6.8/10 |
| Analytics | 6/10 | 7/10 |
| Cost | 7/10 | 6/10 |
| Customization | 6/10 | 7/10 |
| Ease of Use | 8/10 | 5/10 |
| Integration | 7/10 | 8/10 |
| Scalability | 7/10 | 8/10 |
| Security | 6/10 | 8/10 |
| Support | 8/10 | 6/10 |
| Pricing | ||
| Free plan | Yes | Yes |
| Cheapest paid plan | $7/mo Hobby | $15/mo Basic |
| Estimated cost for 10 users | $110/mo Professional | $15/mo Basic |
| Features | ||
| Email Marketing | ||
MailerSend vs Mailgun cost by team size
MailerSend and Mailgun cost the same at 1 user; MailerSend costs less at 5 users; Mailgun costs less from 10 users.
| Team size | MailerSend | Mailgun |
|---|---|---|
| 1 user | FreeFree | FreeFree |
| 5 users | $7/moHobby | $15/moBasic |
| 10 users | $110/moProfessional | $15/moBasic |
| 25 users | $110/moProfessional | $15/moBasic |
| 50 users | $110/moProfessional | $15/moBasic |
The plan that fits each team size, billed monthly, before add-ons and usage charges. Each cost opens that tool's pricing calculator for the team size.
Which One Should You Choose?
Why choose MailerSend
- Higher Ease of Use score (8/10 vs 5/10)
- Higher Support score (8/10 vs 6/10)
- Better fit for small business (7/10 vs 4/10)
- Better fit for freelancers (6/10 vs 4/10)
Why choose Mailgun
- Lower estimated cost for 10 users: $15/mo vs $110/mo
- Higher Security score (8/10 vs 6/10)
- Higher Analytics score (7/10 vs 6/10)
Pros & Cons
MailerSend
Pros
- Developers can send through a REST API or an SMTP relay, with SDKs and connectors for Laravel, Django, Rails, Symfony, Supabase and Firebase.
- A free tier of 500 emails and a $7 Hobby plan make it cheap to start.
- Capterra reviewers repeatedly praise its responsive support and clear documentation.
- Built-in blocklist and DMARC monitoring help teams protect deliverability.
- Starter and higher plans add an SMS API, and a WhatsApp add-on is available.
Cons
- It is built for transactional email, not full marketing campaign management.
- Reviewers report sudden throttling or account suspensions after bounce or complaint thresholds are crossed.
- Free and Hobby plans keep only one day of activity history.
- SMS is limited to the USA and Canada.
Mailgun
Pros
- Reviewers repeatedly praise the REST API and documentation as quick for developers to integrate.
- Deliverability and detailed per-domain searchable logs get strong marks from users.
- SOC 2 Type II and ISO 27001 certification, with 2FA, SAML SSO and AES-256 encryption at rest.
- A low entry price and a free tier of 100 emails a day for testing.
Cons
- It is API-first and complicated for non-technical users, with a dated dashboard where settings and logs can be hard to find.
- Several 2025 reviews report automated account suspensions with little warning.
- Short log retention on lower plans (1 day on Free and Basic).
- Reviewers call it costlier than rivals once volume grows, and inbox placement tools are a separate product.
Not sold on either?
Frequently Asked Questions
MailerSend scores higher on our Marketing criteria: 6.9/10 against 6.8/10 for Mailgun. The largest gap is in Ease of Use: 8/10 for MailerSend and 5/10 for Mailgun.
Mailgun costs less for 10 users: about $15/mo on its Basic plan, against about $110/mo on its Professional plan for MailerSend, billed monthly.
Yes, both MailerSend and Mailgun have a free plan.
MailerSend is the better fit for small business: we rate it 7/10 for them, against 4/10 for Mailgun.
