WordPress plugin comparison
Icegram Mailer vs Post SMTP
At a glance
- Post SMTP has more active installs: 300K+, against 2K+ for Icegram Mailer.
- On a typical day, Post SMTP is downloaded about 2,628 times, Icegram Mailer about 38.
- Icegram Mailer is rated higher: 4.9 out of 5 from 16 reviews, against 4.7 from 528 reviews.
- Icegram Mailer was updated more recently: Oct 26, 2026, against Sep 24, 2026 for Post SMTP.
- Both are tested up to WordPress 7.1.4.
- Post SMTP has been around longer: since 2017, against 2025 for Icegram Mailer.
Line by line
Post SMTP leads on 4 of 6 comparable lines.
| Metric |  Icegram Mailer |  Post SMTP |
|---|---|---|
| Popular rank | #4,752 | #161 |
| Active installs | 2K+ | 300K+ |
| Downloads, last 30 days | 1.1K | 82.6K |
| Rating | 4.9(16) | 4.7(528) |
| Support threads resolved | – | 79% |
| Tested up to | 7.1.4 | 7.1.4 |
| Search multiplier | ×0.70 | ×2.96 |
| Last release | 14 days ago | 1 month ago |
| Requires PHP | 7.0 | 7.1 |
From WordPress.org's public data, refreshed every night. Downloads are WordPress.org's official daily figures for the last 30 days.
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