Postmark
Email for web applications
SaneBox
Your Trusted AI Inbox Assistant
Updated February 2026
| Postmark | SaneBox | |
|---|---|---|
| Rating | 5.0★ | 4.9★ |
| Reviews | 17 | 26 |
| Pros | 9 | 7 |
| FactScore™ | 62.8 | 69.4 |
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 Email templates Excellent documentation Simple API Spam filterBoth tools — Pros
Affordable pricingOnly in SaneBox — Pros
Email organization Email filtering Time-saving Cross-platform compatibility Customer support No additional app requiredOnly in Postmark — Cons
—Both tools — Cons
—Only in SaneBox — Cons
Push notification issueDetails
| Postmark | SaneBox | |
|---|---|---|
| Categories | Email clients, Email marketing | Email clients, Customer support tools, AI Chatbots |
| Platforms | Web · iOS | Web · iOS |
| Became Popular | July 23, 2014 | January 10, 2014 |
| Website | postmarkapp.com | www.sanebox.com |
Who Should Pick Which?
Choose Postmark if...
- Reliable email delivery
- Fast performance
- Human support
Choose SaneBox if...
- Email organization
- Email filtering
- Time-saving
With a FactScore™ of 62.8 vs 69.4, SaneBox leads in community reception. Postmark uniquely offers Reliable email delivery and Fast performance, while SaneBox stands out for Email organization and Email filtering.
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.
SaneBox
This has replaced a large number of mail rules I used to have - and more importantly, the time I spent maintaining them. Also adds a bunch of functionality over and above what mail rules can do (ev...
I have been enthusiastically using Sanebox for many years because of its outstanding features. In the past, one would have deleted their email and started over again because the junk email gets so ...
I get about 300 emails each day, 95% are just news or offers and definitely are not critical. SB effective moves them to my news folder, and I can deal with only the 5% that truly are something I n...
Frequently Asked Questions
Which is better, Postmark or SaneBox?
Based on FactScore™, SaneBox leads with a score of 69.4 vs 62.8. SaneBox has a higher rating of 4.9★ compared to 5.0★.
What are the pros of Postmark compared to SaneBox?
Postmark uniquely offers: Reliable email delivery, Fast performance, Human support, Transactional email, Email templates.
What are the pros of SaneBox compared to Postmark?
SaneBox uniquely offers: Email organization, Email filtering, Time-saving, Cross-platform compatibility, Customer support.
Is Postmark better rated than SaneBox?
Postmark is rated 5.0★ from 17 reviews. SaneBox is rated 4.9★ from 26 reviews.
What is the FactScore™ of Postmark and SaneBox?
FactScore™ weighs rating and review volume together. Postmark scores 62.8 and SaneBox scores 69.4.
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