Letters
Send beautiful emails, anonymously
FactScore™ 0
Mailgun
Email Service for Developers
Updated February 2026
| Letters | Mailgun | |
|---|---|---|
| Rating | N/A | 5.0★ |
| Reviews | 0 | 6 |
| Pros | 0 | 0 |
| FactScore™ | 0 | 42.3 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in Letters — Pros
No unique pros listedBoth tools — Pros
—Only in Mailgun — Pros
No unique pros listedOnly in Letters — Cons
—Both tools — Cons
—Only in Mailgun — Cons
—Details
| Letters | Mailgun | |
|---|---|---|
| Categories | Email clients, Messaging apps, Design mockups | Email clients, Automation tools, Email marketing |
| Platforms | Web | Web |
| Became Popular | April 1, 2024 | January 26, 2015 |
| Website | letter.sh | www.mailgun.com |
Who Should Pick Which?
Choose Letters if...
- No unique pros listed
Choose Mailgun if...
- No unique pros listed
With a FactScore™ of 0 vs 42.3, Mailgun leads in community reception. Letters uniquely offers No unique pros listed, while Mailgun stands out for No unique pros listed.
What Users Say
Letters
No reviews yet
Mailgun
Mailgun stands out for its robust email delivery infrastructure, high deliverability rates, and advanced analytics. It offers easy integration with powerful APIs, comprehensive email tracking, and ...
Shoutout to Mailgun for their powerful email API, which integrates seamlessly with MailTock to keep your transactional emails on track.
Email delivery we can actually rely on. Onboarding emails, waiting list notifications — all powered by Mailgun.
Related Comparisons
Frequently Asked Questions
Which is better, Letters or Mailgun?
Based on FactScore™, Mailgun leads with a score of 42.3 vs 0. Mailgun has a higher rating of 5.0★ compared to N/A★.
What are the pros of Letters compared to Mailgun?
Letters uniquely offers: No unique pros listed.
What are the pros of Mailgun compared to Letters?
Mailgun uniquely offers: No unique pros listed.
Is Letters better rated than Mailgun?
Letters is rated N/A★ from 0 reviews. Mailgun is rated 5.0★ from 6 reviews.
What is the FactScore™ of Letters and Mailgun?
FactScore™ weighs rating and review volume together. Letters scores 0 and Mailgun scores 42.3.
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