Sender
Super easy and affordable omnichannel marketing platform
Postmark
Email for web applications
Updated February 2026
| Sender | Postmark | |
|---|---|---|
| Rating | 4.5★ | 5.0★ |
| Reviews | 4 | 17 |
| Pros | 0 | 9 |
| FactScore™ | 31.5 | 62.8 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in Sender — 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 Sender — Cons
—Both tools — Cons
—Only in Postmark — Cons
—Details
| Sender | Postmark | |
|---|---|---|
| Categories | Email marketing, Marketing automation platforms, Lead generation software | Email clients, Email marketing |
| Platforms | Web | Web · iOS |
| Became Popular | April 9, 2020 | July 23, 2014 |
| Website | www.sender.net | postmarkapp.com |
Who Should Pick Which?
Choose Sender if...
- No unique pros listed
Choose Postmark if...
- Reliable email delivery
- Fast performance
- Human support
With a FactScore™ of 31.5 vs 62.8, Postmark leads in community reception. Sender uniquely offers No unique pros listed, while Postmark stands out for Reliable email delivery and Fast performance.
What Users Say
Sender
We use is because then we can concentrate on our product and can easily send marketing emails with Sender.
For small biz, this looks promising. I’d love to see how it handles automation compared to what KlickTipp offers with tagging logic.
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, Sender or Postmark?
Based on FactScore™, Postmark leads with a score of 62.8 vs 31.5. Postmark has a higher rating of 5.0★ compared to 4.5★.
What are the pros of Sender compared to Postmark?
Sender uniquely offers: No unique pros listed.
What are the pros of Postmark compared to Sender?
Postmark uniquely offers: Reliable email delivery, Fast performance, Human support, Transactional email, Affordable pricing.
Is Sender better rated than Postmark?
Sender is rated 4.5★ from 4 reviews. Postmark is rated 5.0★ from 17 reviews.
What is the FactScore™ of Sender and Postmark?
FactScore™ weighs rating and review volume together. Sender scores 31.5 and Postmark scores 62.8.
Don't Get Fooled by Fake Social Media Videos
The world's first fact checker for social media. Paste any link and get an instant credibility score with sources.
Try FactCheckTool Free