Simple Custom CSS Plugin vs Simple CSS (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
Simple CSS

Simple CSS

4.9(60)

80K+ active installs

Free

Updated 6 months ago
View Simple CSS

Quick Verdict

As of April 2026, Simple CSS has a higher user rating (4.9/5 from 60 reviews) while Simple Custom CSS Plugin leads in active installations (100K+ vs 80K+). Both are free WordPress plugins. Simple Custom CSS Plugin has accumulated 3.1M+ total downloads while Simple CSS has 552K+.

Detailed Comparison

Rating
4.7/5Simple Custom CSS Plugin
Simple CSS4.9/5
Total Reviews
159Simple Custom CSS Plugin
Simple CSS60
Active Installs
100K+Simple Custom CSS Plugin
Simple CSS80K+
Total Downloads
3.1M+Simple Custom CSS Plugin
Simple CSS552K+
Support Resolution
N/ASimple Custom CSS Plugin
Simple CSSN/A
Last Updated
1 year agoSimple Custom CSS Plugin
Simple CSS6 months ago
First Released
2013Simple Custom CSS Plugin
Simple CSS2015
Age
13 yearsSimple Custom CSS Plugin
Simple CSS11 years
WP Requires
3.0.1+Simple Custom CSS Plugin
Simple CSS4.0+
PHP Requires
false+Simple Custom CSS Plugin
Simple CSSfalse+
Business Model
FreeSimple Custom CSS Plugin
Simple CSSFree
Latest Version
4.0.7Simple Custom CSS Plugin
Simple CSS1.1.1

Rating Breakdown

Simple Custom CSS Plugin

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

Simple CSS

4.9/5(60 reviews)
5
93%
4
7%
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.

Simple CSS Reviews

by bmiller22000

This is a really awesome plugin, and will remain awesome updates or not

Easy to use and gives you the access to behind the scenes places you need (like css on this page, for this table, fast and effectively, without digging through mountains of native wp and plugin styles

by Paul Bradley

I want to love it more

This seems like a great idea, and it’s super to finally be clear of the small Additional CSS panel in native wordpress. What’s making me unsure if I should continue are 2 things: 1 – when you pr

by ws24

Excellent plugin

By far the best plugin to add custom css, I have been using it for years now and in many websites. This topic was modified 2 years, 6 months ago by ws24.

Frequently Asked Questions

Is Simple Custom CSS Plugin or Simple CSS more popular?
Simple Custom CSS Plugin has 100K+ active installations while Simple CSS has 80K+. Simple Custom CSS Plugin is the more widely-used plugin as of April 2026.
Which has better ratings — Simple Custom CSS Plugin or Simple CSS?
Simple Custom CSS Plugin has a 4.7/5 rating from 159 reviews, while Simple CSS has a 4.9/5 rating from 60 reviews.
Are Simple Custom CSS Plugin and Simple CSS free?
Simple Custom CSS Plugin is free and Simple CSS is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — Simple Custom CSS Plugin or Simple CSS?
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 Simple CSS was last updated 6 months ago.

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