WordPress plugin comparison
Mail Debug vs SMTP Mailer
At a glance
- SMTP Mailer has more active installs: 70K+, against 10+ for Mail Debug.
- On a typical day, SMTP Mailer is downloaded about 446 times, Mail Debug about 2.
- Mail Debug has no reviews yet.
- SMTP Mailer was updated more recently: Sep 7, 2026, against Jul 20, 2010 for Mail Debug.
- SMTP Mailer is tested with a newer WordPress: 7.1.4, against 2.7.1 for Mail Debug.
- Mail Debug has been around longer: since 2009, against 2015 for SMTP Mailer.
Line by line
SMTP Mailer leads on 6 of 6 comparable lines.
| Metric |  Mail Debug |  SMTP Mailer |
|---|---|---|
| Popular rank | #48,492 | #586 |
| Active installs | 10+ | 70K+ |
| Downloads, last 30 days | 35 | 12.6K |
| Rating | No ratings | 4.6(67) |
| Support threads resolved | – | 0% |
| Tested up to | 2.7.1 | 7.1.4 |
| Search multiplier | ×0.00 | ×1.06 |
| Last release | 16 years ago | 2 months ago |
| Requires PHP | – | – |
From WordPress.org's public data, refreshed every night. Downloads are WordPress.org's official daily figures for the last 30 days.
Tags they share
More comparisons
Is one of these yours?
Track your plugin against its rivals every day: rank, installs, downloads, ratings and their releases, with alerts when anything moves.
Start free