WordPress plugin comparison
Content Upgrades vs Solid Mail
At a glance
- Solid Mail has more active installs: 60K+, against 20+ for Content Upgrades.
- On a typical day, Solid Mail is downloaded about 189 times, Content Upgrades about 3.
- Solid Mail is rated higher: 4.2 out of 5 from 52 reviews, against 2.7 from 3 reviews.
- Solid Mail was updated more recently: May 12, 2026, against Mar 30, 2015 for Content Upgrades.
- Solid Mail is tested with a newer WordPress: 6.9.11, against 4.1.42 for Content Upgrades.
- Solid Mail has been around longer: since 2012, against 2015 for Content Upgrades.
Line by line
Solid Mail leads on 7 of 7 comparable lines.
| Metric |  Content Upgrades |  Solid Mail |
|---|---|---|
| Popular rank | #27,328 | #671 |
| Active installs | 20+ | 60K+ |
| Downloads, last 30 days | 57 | 5.2K |
| Rating | 2.7(3) | 4.2(52) |
| Support threads resolved | – | 0% |
| Tested up to | 4.1.42 | 6.9.11 |
| Search multiplier | ×0.00 | ×0.87 |
| Last release | 11 years ago | 6 months ago |
| Requires PHP | – | 7.4 |
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
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