PluginSift

PHP Compatibility Checker vs Checking Variables (Dev. Tool) (2026)

Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.

PHP Compatibility Checker

PHP Compatibility Checker

2.7(131)

200K+ active installs

Free

Updated 2 years ago
View PHP Compatibility Checker
VS
Checking Variables (Dev. Tool)

Checking Variables (Dev. Tool)

4(1)

10 active installs

Free

Updated 10 years ago
View Checking Variables (Dev. Tool)

Quick Verdict

As of April 2026, Checking Variables (Dev. Tool) has a higher user rating (4/5 from 1 reviews) while PHP Compatibility Checker leads in active installations (200K+ vs 10). Both are free WordPress plugins. PHP Compatibility Checker has accumulated 3.0M+ total downloads while Checking Variables (Dev. Tool) has 3.1K+.

Detailed Comparison

Rating
2.7/5PHP Compatibility Checker
►
Checking Variables (Dev. Tool)4/5
Total Reviews
131PHP Compatibility Checker
◄
Checking Variables (Dev. Tool)1
Active Installs
200K+PHP Compatibility Checker
◄
Checking Variables (Dev. Tool)10
Total Downloads
3.0M+PHP Compatibility Checker
◄
Checking Variables (Dev. Tool)3.1K+
Support Resolution
0%PHP Compatibility Checker
Checking Variables (Dev. Tool)N/A
Last Updated
2 years agoPHP Compatibility Checker
◄
Checking Variables (Dev. Tool)10 years ago
First Released
2016PHP Compatibility Checker
Checking Variables (Dev. Tool)2015
Age
10 yearsPHP Compatibility Checker
Checking Variables (Dev. Tool)11 years
WP Requires
5.6+PHP Compatibility Checker
Checking Variables (Dev. Tool)4.2.2+
PHP Requires
5.6+PHP Compatibility Checker
Checking Variables (Dev. Tool)false+
Business Model
FreePHP Compatibility Checker
Checking Variables (Dev. Tool)Free
Latest Version
1.6.3PHP Compatibility Checker
Checking Variables (Dev. Tool)4.0.0

Rating Breakdown

PHP Compatibility Checker

2.7/5(131 reviews)
5
35%
4
5%
3
2%
2
8%
1
50%

Checking Variables (Dev. Tool)

4/5(1 reviews)
5
0%
4
100%
3
0%
2
0%
1
0%

Recent Reviews

PHP Compatibility Checker Reviews

by manare

Con WP5.1 y PHP7.4, falla

Ell plugin no muestra versiones ni escanea

by cweb

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 Yet, WordPress suggest that we install this outdated app that has not been updated for over 2 years.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

by aodigitalau

Ironically not compatible with the latest PHP

Either update the plugin or take it down.

Checking Variables (Dev. Tool) Reviews

No reviews yet

Frequently Asked Questions

Is PHP Compatibility Checker or Checking Variables (Dev. Tool) more popular?
PHP Compatibility Checker has 200K+ active installations while Checking Variables (Dev. Tool) has 10. PHP Compatibility Checker is the more widely-used plugin as of April 2026.
Which has better ratings — PHP Compatibility Checker or Checking Variables (Dev. Tool)?
PHP Compatibility Checker has a 2.7/5 rating from 131 reviews, while Checking Variables (Dev. Tool) has a 4/5 rating from 1 reviews.
Are PHP Compatibility Checker and Checking Variables (Dev. Tool) free?
PHP Compatibility Checker is free and Checking Variables (Dev. Tool) is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — PHP Compatibility Checker or Checking Variables (Dev. Tool)?
Support resolution data is not available for all plugins. Check each plugin's WordPress.org support forum for current response quality.
Which plugin is updated more frequently?
PHP Compatibility Checker was last updated 2 years ago and Checking Variables (Dev. Tool) was last updated 10 years ago.

Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.