Postmark
Email for web applications
Resend
Email for developers
Updated February 2026
| Postmark | Resend | |
|---|---|---|
| Rating | 5.0★ | 4.9★ |
| Reviews | 17 | 172 |
| Pros | 9 | 17 |
| FactScore™ | 62.8 | 110.1 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in Postmark — Pros
Reliable email delivery Fast performance Human support Transactional email Affordable pricing Email templates Simple API Spam filterBoth tools — Pros
Excellent documentationOnly in Resend — Pros
Easy setup Developer-friendly API Reliable delivery Fast integration Simple UI High deliverability rates React Email integration Free tier Seamless integration Scalable email sending Dynamic templating Transparent pricing Detailed logging Real-time analytics SMTP functionality Webhook supportOnly in Postmark — Cons
—Both tools — Cons
—Only in Resend — Cons
Slow performance Free tier Lack of unsubscribe API endpoint SMTP functionality Transparent pricingDetails
| Postmark | Resend | |
|---|---|---|
| Categories | Email clients, Email marketing | Email clients, Engineering & Development, Email marketing |
| Platforms | Web · iOS | Web |
| Became Popular | July 23, 2014 | February 8, 2023 |
| Website | postmarkapp.com | resend.com |
Who Should Pick Which?
Choose Postmark if...
- Reliable email delivery
- Fast performance
- Human support
Choose Resend if...
- Easy setup
- Developer-friendly API
- Reliable delivery
With a FactScore™ of 62.8 vs 110.1, Resend leads in community reception. Postmark uniquely offers Reliable email delivery and Fast performance, while Resend stands out for Easy setup and Developer-friendly API.
What Users Say
Postmark
We use Postmark to send emails and manage newsletters directly from BlogBowl. Big thanks to Postmark for their reliable API and top-notch deliverability, which makes sure your newsletters actually ...
We use Postmark not only for our emails, but also to power Ply's built-in dynamic email capabilities. It's reliable, well documented and most of all - comes with awesome human support.
Once you get familiar with Postmark's layouts and templates, the service is great for quickly creating email templates and sending them out using their simple API. The UI is simple and intuitive.
Resend
Resend is awesome. Coincidently, my product is launching on producthunt today as well, and I use Resend. In the past I mostly used Send Grid. I was happy to move to a different alternative that was...
Amazing developer experience, great UX (no visual clutter) and high deliverability/reliability. We started out using MailChimp but quickly felt like they were just throwing a bunch of features in o...
Resend + React Email is the cleanest email stack we've used. Write emails as React components with Tailwind CSS, test locally, deploy confidently. Superior DX to SendGrid/Mailgun's template languag...
Related Comparisons
Frequently Asked Questions
Which is better, Postmark or Resend?
Based on FactScore™, Resend leads with a score of 110.1 vs 62.8. Resend has a higher rating of 4.9★ compared to 5.0★.
What are the pros of Postmark compared to Resend?
Postmark uniquely offers: Reliable email delivery, Fast performance, Human support, Transactional email, Affordable pricing.
What are the pros of Resend compared to Postmark?
Resend uniquely offers: Easy setup, Developer-friendly API, Reliable delivery, Fast integration, Simple UI.
Is Postmark better rated than Resend?
Postmark is rated 5.0★ from 17 reviews. Resend is rated 4.9★ from 172 reviews.
What is the FactScore™ of Postmark and Resend?
FactScore™ weighs rating and review volume together. Postmark scores 62.8 and Resend scores 110.1.
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