PHP Compatibility Checker vs Retack AI (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
Retack AI

Retack AI

0(0)

0 active installs

Free

Updated 1 year ago
View Retack AI

Quick Verdict

As of April 2026, PHP Compatibility Checker has a higher user rating (2.7/5 from 131 reviews) and leads in active installations (200K+ vs 0). Both are free WordPress plugins. PHP Compatibility Checker has accumulated 3.0M+ total downloads while Retack AI has 511.

Detailed Comparison

Rating
2.7/5PHP Compatibility Checker
Retack AIN/A
Total Reviews
131PHP Compatibility Checker
Retack AI0
Active Installs
200K+PHP Compatibility Checker
Retack AI0
Total Downloads
3.0M+PHP Compatibility Checker
Retack AI511
Support Resolution
0%PHP Compatibility Checker
Retack AIN/A
Last Updated
2 years agoPHP Compatibility Checker
Retack AI1 year ago
First Released
2016PHP Compatibility Checker
Retack AI2024
Age
10 yearsPHP Compatibility Checker
Retack AI2 years
WP Requires
5.6+PHP Compatibility Checker
Retack AI4.7+
PHP Requires
5.6+PHP Compatibility Checker
Retack AI8.2+
Business Model
FreePHP Compatibility Checker
Retack AIFree
Latest Version
1.6.3PHP Compatibility Checker
Retack AI1.1

Rating Breakdown

PHP Compatibility Checker

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

Retack AI

0/5(0 reviews)
5
0%
4
0%
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 Yet, WordPress suggest that we install this outdated app that has not been updated for over 2 years.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.

Retack AI Reviews

No reviews yet

Frequently Asked Questions

Is PHP Compatibility Checker or Retack AI more popular?
PHP Compatibility Checker has 200K+ active installations while Retack AI has 0. PHP Compatibility Checker is the more widely-used plugin as of April 2026.
Which has better ratings — PHP Compatibility Checker or Retack AI?
PHP Compatibility Checker has a 2.7/5 rating from 131 reviews, while Retack AI has a 0/5 rating from 0 reviews.
Are PHP Compatibility Checker and Retack AI free?
PHP Compatibility Checker is free and Retack AI is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — PHP Compatibility Checker or Retack AI?
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 Retack AI was last updated 1 year ago.

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