PHP Compatibility Checker vs WP-Memory-Usage (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
PHP Compatibility Checker
200K+ active installs
Free
Quick Verdict
As of April 2026, WP-Memory-Usage has a higher user rating (4.5/5 from 21 reviews) while PHP Compatibility Checker leads in active installations (200K+ vs 10K+). Both are free WordPress plugins. PHP Compatibility Checker has accumulated 3.0M+ total downloads while WP-Memory-Usage has 291K+. WP-Memory-Usage has a higher support resolution rate (100% vs 0%).
Detailed Comparison
| Metric | PHP Compatibility Checker | WP-Memory-Usage | |
|---|---|---|---|
| Rating | 2.7/5 | ► | 4.5/5 |
| Total Reviews | 131 | ◄ | 21 |
| Active Installs | 200K+ | ◄ | 10K+ |
| Total Downloads | 3.0M+ | ◄ | 291K+ |
| Support Resolution | 0% | ► | 100% |
| Last Updated | 2 years ago | ► | 1 month ago |
| First Released | 2016 | 2009 | |
| Age | 10 years | 17 years | |
| WP Requires | 5.6+ | 5.3+ | |
| PHP Requires | 5.6+ | 7.4+ | |
| Business Model | Free | Free | |
| Latest Version | 1.6.3 | 2.0.0 |
Rating Breakdown
PHP Compatibility Checker
WP-Memory-Usage
Download Trends
Over the past 30 days, PHP Compatibility Checker averaged approximately 312 daily downloads while WP-Memory-Usage averaged 1,045.
Recent Reviews
PHP Compatibility Checker Reviews
Con WP5.1 y PHP7.4, falla
Ell plugin no muestra versiones ni escanea
Why is this recommended by WordPress?
Over the years, I have tried to be careful to not install programs that are not kept up to date. Yet, WordPress suggest that we install this outdated app that has not been updated for over 2 years. Ma
Ironically not compatible with the latest PHP
Either update the plugin or take it down.
WP-Memory-Usage Reviews
Helped fix site performance problems
I originally found this becuase I was trying to monitor memory usage to help diagnose poor site performance. It works well for that. However, it also has a tab with a lot of other statistics and it wa
Displays the memory limit & current memory usage
Minimal, clear and useful. This plugin helped me to monitor the memory size on comfortable way. A little but nice debug tool. This topic was modified 2 years ago by Denny Müller.
5 Stars Useful plugin
Great little plugin.
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Frequently Asked Questions
Is PHP Compatibility Checker or WP-Memory-Usage more popular?
Which has better ratings — PHP Compatibility Checker or WP-Memory-Usage?
Are PHP Compatibility Checker and WP-Memory-Usage free?
Which plugin has better support — PHP Compatibility Checker or WP-Memory-Usage?
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.