Postmark
Email for web applications
Stoop
The app to find and read great email newsletters
Updated February 2026
| Postmark | Stoop | |
|---|---|---|
| Rating | 5.0★ | 4.5★ |
| Reviews | 17 | 2 |
| Pros | 9 | 0 |
| FactScore™ | 62.8 | 21.5 |
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 Stoop — Pros
No unique pros listedOnly in Postmark — Cons
—Both tools — Cons
—Only in Stoop — Cons
—Details
| Postmark | Stoop | |
|---|---|---|
| Categories | Email clients, Email marketing | Email clients, Newsletter platforms |
| Platforms | Web · iOS | Web · iOS · Android |
| Became Popular | July 23, 2014 | October 14, 2019 |
| Website | postmarkapp.com | stoopinbox.com |
Who Should Pick Which?
Choose Postmark if...
- Reliable email delivery
- Fast performance
- Human support
Choose Stoop if...
- No unique pros listed
With a FactScore™ of 62.8 vs 21.5, Postmark leads in community reception. Postmark uniquely offers Reliable email delivery and Fast performance, while Stoop 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.
Stoop
I love using Stoop to aggregate ALL of my newsletters! It's great because it's isolated from my flooded inbox and allows me to really scroll through the content I've chosen to subscribe to. So neat!
Completely essential app for me. Obviously still in beta and I'm excited to see this app continue to develop.
Related Comparisons
Frequently Asked Questions
Which is better, Postmark or Stoop?
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 Postmark compared to Stoop?
Postmark uniquely offers: Reliable email delivery, Fast performance, Human support, Transactional email, Affordable pricing.
What are the pros of Stoop compared to Postmark?
Stoop uniquely offers: No unique pros listed.
Is Postmark better rated than Stoop?
Postmark is rated 5.0★ from 17 reviews. Stoop is rated 4.5★ from 2 reviews.
What is the FactScore™ of Postmark and Stoop?
FactScore™ weighs rating and review volume together. Postmark scores 62.8 and Stoop scores 21.5.
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