Polymail
Power Email for Founders & Teams
Postmark
Email for web applications
Updated February 2026
| Polymail | Postmark | |
|---|---|---|
| Rating | 4.5★ | 5.0★ |
| Reviews | 2 | 17 |
| Pros | 0 | 9 |
| FactScore™ | 21.5 | 62.8 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in Polymail — Pros
No unique pros listedBoth tools — Pros
—Only in Postmark — Pros
Reliable email delivery Fast performance Human support Transactional email Affordable pricing Email templates Excellent documentation Simple API Spam filterOnly in Polymail — Cons
—Both tools — Cons
—Only in Postmark — Cons
—Details
| Polymail | Postmark | |
|---|---|---|
| Categories | Email clients, Email marketing | Email clients, Email marketing |
| Platforms | Web · iOS | Web · iOS |
| Became Popular | December 7, 2015 | July 23, 2014 |
| Website | polymail.io | postmarkapp.com |
Who Should Pick Which?
Choose Polymail if...
- No unique pros listed
Choose Postmark if...
- Reliable email delivery
- Fast performance
- Human support
With a FactScore™ of 21.5 vs 62.8, Postmark leads in community reception. Polymail uniquely offers No unique pros listed, while Postmark stands out for Reliable email delivery and Fast performance.
What Users Say
Polymail
Been using Polymail for about a month now and it’s honestly changed how I handle email. I wasn’t expecting much -- figured I’d test it for a week and bounce -- but I haven’t gone back. It’s got the...
It is the best out there with all needed features, but they have been slowing down on their new feature roll out. There are some stability issues as well
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.
Related Comparisons
Frequently Asked Questions
Which is better, Polymail or Postmark?
Based on FactScore™, Postmark leads with a score of 62.8 vs 21.5. Postmark has a higher rating of 5.0★ compared to 4.5★.
What are the pros of Polymail compared to Postmark?
Polymail uniquely offers: No unique pros listed.
What are the pros of Postmark compared to Polymail ?
Postmark uniquely offers: Reliable email delivery, Fast performance, Human support, Transactional email, Affordable pricing.
Is Polymail better rated than Postmark?
Polymail is rated 4.5★ from 2 reviews. Postmark is rated 5.0★ from 17 reviews.
What is the FactScore™ of Polymail and Postmark?
FactScore™ weighs rating and review volume together. Polymail scores 21.5 and Postmark scores 62.8.
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