Postmark
Email for web applications
Warmy.io
Auto all-in-one tool to make your Email Channel Reliable
Updated February 2026
| Postmark | Warmy.io | |
|---|---|---|
| Rating | 5.0★ | 5.0★ |
| Reviews | 17 | 5 |
| Pros | 9 | 0 |
| FactScore™ | 62.8 | 38.9 |
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 Excellent documentation Simple API Spam filterBoth tools — Pros
—Only in Warmy.io — Pros
No unique pros listedOnly in Postmark — Cons
—Both tools — Cons
—Only in Warmy.io — Cons
—Details
| Postmark | Warmy.io | |
|---|---|---|
| Categories | Email clients, Email marketing | Email marketing, Marketing automation platforms |
| Platforms | Web · iOS | Web |
| Became Popular | July 23, 2014 | July 27, 2022 |
| Website | postmarkapp.com | Warmy.io |
Who Should Pick Which?
Choose Postmark if...
- Reliable email delivery
- Fast performance
- Human support
Choose Warmy.io if...
- No unique pros listed
With a FactScore™ of 62.8 vs 38.9, Postmark leads in community reception. Postmark uniquely offers Reliable email delivery and Fast performance, while Warmy.io stands out for No unique pros listed.
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.
Warmy.io
A very functional platform. It copes well with warming up and improving the reputation of the domain. What I needed. I am very pleased with the support service, when I needed help, it was easy to c...
I've already tried the email deliverability test and it's amazing. Such a deep analysis of all providers and blacklists. I am impressed. Thanks to the team! Warmy is now in my favorite instruments.
I have been with Warmy for a long time, I managed to get to know the team, great guys and professionals! The tool for warming up emails is very functional and shows good results.
Related Comparisons
Frequently Asked Questions
Which is better, Postmark or Warmy.io?
Based on FactScore™, Postmark leads with a score of 62.8 vs 38.9. Postmark has a higher rating of 5.0★ compared to 5.0★.
What are the pros of Postmark compared to Warmy.io?
Postmark uniquely offers: Reliable email delivery, Fast performance, Human support, Transactional email, Affordable pricing.
What are the pros of Warmy.io compared to Postmark?
Warmy.io uniquely offers: No unique pros listed.
Is Postmark better rated than Warmy.io?
Postmark is rated 5.0★ from 17 reviews. Warmy.io is rated 5.0★ from 5 reviews.
What is the FactScore™ of Postmark and Warmy.io?
FactScore™ weighs rating and review volume together. Postmark scores 62.8 and Warmy.io scores 38.9.
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