WordPress plugin comparison
Postkeep vs Solid Mail
At a glance
- Solid Mail has more active installs: 60K+, against fewer than 10 for Postkeep.
- On a typical day, Solid Mail is downloaded about 189 times, Postkeep about 4.
- Postkeep has no reviews yet.
- Postkeep was updated more recently: Oct 17, 2026, against May 12, 2026 for Solid Mail.
- Postkeep is tested with a newer WordPress: 7.1.4, against 6.9.11 for Solid Mail.
- Solid Mail has been around longer: since 2012, against 2026 for Postkeep.
Line by line
Solid Mail leads on 4 of 6 comparable lines.
| Metric |  Postkeep |  Solid Mail |
|---|---|---|
| Popular rank | #69,288 | #671 |
| Active installs | Fewer than 10 | 60K+ |
| Downloads, last 30 days | 259 | 5.3K |
| Rating | No ratings | 4.2(52) |
| Support threads resolved | – | 0% |
| Tested up to | 7.1.4 | 6.9.11 |
| Search multiplier | ×0.05 | ×0.87 |
| Last release | 22 days ago | 6 months ago |
| Requires PHP | 7.4 | 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
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