MailerSend vs Resend: Complete Comparison (2026)
An in-depth comparison of MailerSend and Resend 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.
Resend
6.7/10
Developer-focused email platform with an API for transactional email and a Broadcasts feature for marketing newsletters to segmented contact lists.
Feature-by-Feature Comparison
| Feature | | |
|---|---|---|
| Scores | ||
| Overall Rating | 6.9/10 | 6.7/10 |
| Analytics | 6/10 | 5/10 |
| Cost | 7/10 | 7/10 |
| Customization | 6/10 | 7/10 |
| Ease of Use | 8/10 | 7/10 |
| Integration | 7/10 | 7/10 |
| Scalability | 7/10 | 7/10 |
| Security | 6/10 | 7/10 |
| Support | 8/10 | 5/10 |
| Pricing | ||
| Free plan | Yes | Yes |
| Cheapest paid plan | $7/mo Hobby | $20/mo Transactional Pro |
| Estimated cost for 10 users | $110/mo Professional | Free Marketing Free |
| Features | ||
| Email Marketing | ||
| Segmentation | Not listed | |
| SMS Marketing | Not listed | |
| Webinars | Not listed | |
MailerSend vs Resend cost by team size
MailerSend and Resend cost the same at 1 user; Resend costs less from 5 users.
| Team size | MailerSend | Resend |
|---|---|---|
| 1 user | FreeFree | FreeMarketing Free |
| 5 users | $7/moHobby | FreeMarketing Free |
| 10 users | $110/moProfessional | FreeMarketing Free |
| 25 users | $110/moProfessional | FreeMarketing Free |
| 50 users | $110/moProfessional | FreeMarketing Free |
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 Support score (8/10 vs 5/10)
- Higher Analytics score (6/10 vs 5/10)
- Better fit for e-commerce (6/10 vs 3/10)
Why choose Resend
- Lower estimated cost for 10 users: Free vs $110/mo
- Higher Customization score (7/10 vs 6/10)
- Higher Security 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.
Resend
Pros
- The free tiers include 3,000 transactional emails a month and 1,000 marketing contacts, which is enough for early products.
- Marketing plans are priced by contact count with no send limit, so frequent newsletters do not add cost.
- React Email templates and first-party SDKs for Node.js, Python, Ruby, PHP and Go make it quick for developers to integrate.
- Resend holds a SOC 2 Type II report, and its GDPR DPA with Standard Contractual Clauses is signed automatically at sign-up.
- The Broadcasts no-code editor lets non-developers on the team send segmented, scheduled campaigns.
Cons
- Reviewers describe its marketing automation and segmentation as lighter than Klaviyo or Customer.io.
- Its documentation does not mention A/B testing, and it offers no landing pages, SMS or e-commerce features.
- Trustpilot reviewers report sudden account suspensions and slow support replies.
- Data is stored only in the US, and Resend offers no HIPAA BAA or ISO 27001 certification.
- Free, Pro and Scale plans keep data for only 30 days.
Not sold on either?
Frequently Asked Questions
MailerSend scores higher on our Marketing criteria: 6.9/10 against 6.7/10 for Resend. The largest gap is in Support: 8/10 for MailerSend and 5/10 for Resend.
Resend costs less for 10 users: free on its Marketing Free plan, against about $110/mo on its Professional plan for MailerSend, billed monthly.
Yes, both MailerSend and Resend have a free plan.
MailerSend is the better fit for e-commerce: we rate it 6/10 for them, against 3/10 for Resend.
