Simple Custom CSS Plugin vs Code Injection (2026)

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

Simple Custom CSS Plugin

Simple Custom CSS Plugin

4.7(159)

100K+ active installs

Free

Updated 1 year ago
View Simple Custom CSS Plugin
VS
Code Injection

Code Injection

0(0)

10 active installs

Free

Updated 2 years ago
View Code Injection

Quick Verdict

As of April 2026, Simple Custom CSS Plugin has a higher user rating (4.7/5 from 159 reviews) and leads in active installations (100K+ vs 10). Both are free WordPress plugins. Simple Custom CSS Plugin has accumulated 3.1M+ total downloads while Code Injection has 2.1K+.

Detailed Comparison

Rating
4.7/5Simple Custom CSS Plugin
Code InjectionN/A
Total Reviews
159Simple Custom CSS Plugin
Code Injection0
Active Installs
100K+Simple Custom CSS Plugin
Code Injection10
Total Downloads
3.1M+Simple Custom CSS Plugin
Code Injection2.1K+
Support Resolution
N/ASimple Custom CSS Plugin
Code InjectionN/A
Last Updated
1 year agoSimple Custom CSS Plugin
Code Injection2 years ago
First Released
2013Simple Custom CSS Plugin
Code Injection2019
Age
13 yearsSimple Custom CSS Plugin
Code Injection7 years
WP Requires
3.0.1+Simple Custom CSS Plugin
Code Injection4.5.0+
PHP Requires
false+Simple Custom CSS Plugin
Code Injectionfalse+
Business Model
FreeSimple Custom CSS Plugin
Code InjectionFree
Latest Version
4.0.7Simple Custom CSS Plugin
Code Injection2.5.0

Rating Breakdown

Simple Custom CSS Plugin

4.7/5(159 reviews)
5
90%
4
4%
3
1%
2
0%
1
5%

Code Injection

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

Recent Reviews

Simple Custom CSS Plugin Reviews

by Bub

Blocks Media view

This plugin block me from viewing my media files when I am, for instance, trying to add an image block to a page. Except for this I think it is an excellent plugin. My work-around will be to disable t

by cengoguven

So simple yet works perfect!

İt’s so easy to use and does the job as described.

by ellissei

Useful but doesn’t know modern properties

Simple and useful, but modern CSS properties like clamp(), repeat(), margin-inline, or less common units like dvh throw syntax errors. For beginners, this can be really confusing.

Code Injection Reviews

No reviews yet

Frequently Asked Questions

Is Simple Custom CSS Plugin or Code Injection more popular?
Simple Custom CSS Plugin has 100K+ active installations while Code Injection has 10. Simple Custom CSS Plugin is the more widely-used plugin as of April 2026.
Which has better ratings — Simple Custom CSS Plugin or Code Injection?
Simple Custom CSS Plugin has a 4.7/5 rating from 159 reviews, while Code Injection has a 0/5 rating from 0 reviews.
Are Simple Custom CSS Plugin and Code Injection free?
Simple Custom CSS Plugin is free and Code Injection is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — Simple Custom CSS Plugin or Code Injection?
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?
Simple Custom CSS Plugin was last updated 1 year ago and Code Injection was last updated 2 years ago.

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