PHP Compatibility Checker vs WP Downgrade | Specific Core Version
Two WordPress plugins head to head: ranking, active installs, downloads and ratings, from our daily tracking of the WordPress.org directory.
These aren’t all alternatives to each other — they do different jobs — so this page compares popularity only, not features.
At a glance
PHP Compatibility Checker leads the WordPress.org popular list today at #273, ahead of WP Downgrade | Specific Core Version at #398. Over the last 7 days PHP Compatibility Checker held its place and WP Downgrade | Specific Core Version slipped 1 place. PHP Compatibility Checker has the largest install base, roughly 2× the next: 200K+ active installs against 100K+ for WP Downgrade | Specific Core Version. Downloads this week: WP Downgrade | Specific Core Version 13,236 and PHP Compatibility Checker 2,077. Ratings: PHP Compatibility Checker 2.7★ from 131 and WP Downgrade | Specific Core Version 4.8★ from 169 reviews.
| Metric | PHP Compatibility Checker | WP Downgrade | Specific Core Version |
|---|---|---|
| Popular rank today | #273 ▬ | #398 ▼ 1 |
| Active installs | 200K+ | 100K+ |
| Downloads, last 7 days | 2,077 | 13,236 |
| Rating | 2.7★ (131) | 4.8★ (169) |
| Last updated | Jul 20, 2026 | Oct 7, 2026 |
| Current version | 1.6.3 | 1.2.9 |
| Best rank on record | #270 | #389 |
| Days in the top 50 | 0 | 0 |
| On WordPress.org since | Jun 2016 | Apr 2016 |
Highlighted cells mark the strongest figure in each row. Rank and installs are from the latest WordPress.org capture; downloads are the last seven captured days.
Ranking history Lower is better
Active installs
Downloads per day
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Frequently asked questions
Which is more popular, PHP Compatibility Checker or WP Downgrade | Specific Core Version?
By active installs, PHP Compatibility Checker: 200K+ sites run it against 100K+ for WP Downgrade | Specific Core Version, according to WordPress.org figures captured on October 18, 2026.
Which ranks higher on WordPress.org, PHP Compatibility Checker or WP Downgrade | Specific Core Version?
PHP Compatibility Checker, at #273 on the WordPress.org popular plugins list today, with WP Downgrade | Specific Core Version at #398. The ranking reflects recent installs and moves daily, which is why this page shows the history rather than one snapshot.
Are PHP Compatibility Checker or WP Downgrade | Specific Core Version alternatives to each other?
Not all of them. Some of these plugins do different jobs and many sites run more than one. This page compares their popularity, not their features.
Where do these numbers come from?
WordPress.org publishes each plugin’s active install count and its position on the popular list. This site records both every day, along with per-day downloads and ratings, so the charts above show how the plugins have moved over time rather than a single day.