WordPress plugin comparison
Certify vs Cornerstone
At a glance
- Cornerstone has more active installs: 20K+, against 500+ for Certify.
- On a typical day, Cornerstone is downloaded about 42 times, Certify about 5.
- Certify is rated higher: 5.0 out of 5 from 2 reviews, against 4.0 from 6 reviews.
- Cornerstone was updated more recently: Sep 12, 2026, against Jul 5, 2025 for Certify.
- Cornerstone is tested with a newer WordPress: 7.1.4, against 6.8.12 for Certify.
- Cornerstone has been around longer: since 2010, against 2025 for Certify.
Line by line
Cornerstone leads on 6 of 7 comparable lines.
| Metric |  Certify |  Cornerstone |
|---|---|---|
| Popular rank | #8,850 | #1,140 |
| Active installs | 500+ | 20K+ |
| Downloads, last 30 days | 118 | 1.1K |
| Rating | 5.0(2) | 4.0(6) |
| Support threads resolved | – | – |
| Tested up to | 6.8.12 | 7.1.4 |
| Search multiplier | ×0.24 | ×0.85 |
| Last release | 1 year ago | 1 month 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.
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