Postmark
Email for web applications
Tempo
The email client for Mac.
Updated February 2026
| Postmark | Tempo | |
|---|---|---|
| Rating | 5.0★ | 4.8★ |
| Reviews | 17 | 4 |
| Pros | 9 | 0 |
| FactScore™ | 62.8 | 33.2 |
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 Tempo — Pros
No unique pros listedOnly in Postmark — Cons
—Both tools — Cons
—Only in Tempo — Cons
—Details
| Postmark | Tempo | |
|---|---|---|
| Categories | Email clients, Email marketing | Email clients |
| Platforms | Web · iOS | Web |
| Became Popular | July 23, 2014 | July 18, 2018 |
| Website | postmarkapp.com | yourtempo.co |
Who Should Pick Which?
Choose Postmark if...
- Reliable email delivery
- Fast performance
- Human support
Choose Tempo if...
- No unique pros listed
With a FactScore™ of 62.8 vs 33.2, Postmark leads in community reception. Postmark uniquely offers Reliable email delivery and Fast performance, while Tempo 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.
Tempo
I know this app is technically not being supported, but I just downloaded it and it's better than most email clients that have an active company behind it. Pretty incredible concept. Clean design a...
Love it, just so sad they're no longer around and we no longer have updates go-forward.
2023 and i still use. This is the only client that works for me. I wish they could bring it back with the one time purchase option. I gladly invested my money on it.
Related Comparisons
Frequently Asked Questions
Which is better, Postmark or Tempo?
Based on FactScore™, Postmark leads with a score of 62.8 vs 33.2. Postmark has a higher rating of 5.0★ compared to 4.8★.
What are the pros of Postmark compared to Tempo?
Postmark uniquely offers: Reliable email delivery, Fast performance, Human support, Transactional email, Affordable pricing.
What are the pros of Tempo compared to Postmark?
Tempo uniquely offers: No unique pros listed.
Is Postmark better rated than Tempo?
Postmark is rated 5.0★ from 17 reviews. Tempo is rated 4.8★ from 4 reviews.
What is the FactScore™ of Postmark and Tempo?
FactScore™ weighs rating and review volume together. Postmark scores 62.8 and Tempo scores 33.2.
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