Gmail Unsubscriber
Open source alternative to Unroll.me for Gmail
FactScore™ 0
Postmark
Email for web applications
Updated February 2026
| Gmail Unsubscriber | Postmark | |
|---|---|---|
| Rating | N/A | 5.0★ |
| Reviews | 0 | 17 |
| Pros | 0 | 9 |
| FactScore™ | 0 | 62.8 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in Gmail Unsubscriber — 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 Gmail Unsubscriber — Cons
—Both tools — Cons
—Only in Postmark — Cons
—Details
| Gmail Unsubscriber | Postmark | |
|---|---|---|
| Categories | Email clients, Email marketing | Email clients, Email marketing |
| Platforms | Web | Web · iOS |
| Became Popular | April 23, 2017 | July 23, 2014 |
| Website | github.com | postmarkapp.com |
Who Should Pick Which?
Choose Gmail Unsubscriber if...
- No unique pros listed
Choose Postmark if...
- Reliable email delivery
- Fast performance
- Human support
With a FactScore™ of 0 vs 62.8, Postmark leads in community reception. Gmail Unsubscriber uniquely offers No unique pros listed, while Postmark stands out for Reliable email delivery and Fast performance.
What Users Say
Gmail Unsubscriber
No reviews yet
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, Gmail Unsubscriber or Postmark?
Based on FactScore™, Postmark leads with a score of 62.8 vs 0. Postmark has a higher rating of 5.0★ compared to N/A★.
What are the pros of Gmail Unsubscriber compared to Postmark?
Gmail Unsubscriber uniquely offers: No unique pros listed.
What are the pros of Postmark compared to Gmail Unsubscriber?
Postmark uniquely offers: Reliable email delivery, Fast performance, Human support, Transactional email, Affordable pricing.
Is Gmail Unsubscriber better rated than Postmark?
Gmail Unsubscriber is rated N/A★ from 0 reviews. Postmark is rated 5.0★ from 17 reviews.
What is the FactScore™ of Gmail Unsubscriber and Postmark?
FactScore™ weighs rating and review volume together. Gmail Unsubscriber scores 0 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