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Simple Custom CSS and JS vs WP Add Custom CSS (2026)

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

Simple Custom CSS and JS

Simple Custom CSS and JS

4.4(102)

700K+ active installs

Free

Updated 4 weeks ago
View Simple Custom CSS and JS
VS
WP Add Custom CSS

WP Add Custom CSS

4.8(90)

60K+ active installs

Free

Updated 7 months ago
View WP Add Custom CSS

Quick Verdict

As of April 2026, WP Add Custom CSS has a higher user rating (4.8/5 from 90 reviews) while Simple Custom CSS and JS leads in active installations (700K+ vs 60K+). Both are free WordPress plugins. Simple Custom CSS and JS has accumulated 10M+ total downloads while WP Add Custom CSS has 991K+.

Detailed Comparison

Rating
4.4/5Simple Custom CSS and JS
►
WP Add Custom CSS4.8/5
Total Reviews
102Simple Custom CSS and JS
◄
WP Add Custom CSS90
Active Installs
700K+Simple Custom CSS and JS
◄
WP Add Custom CSS60K+
Total Downloads
10M+Simple Custom CSS and JS
◄
WP Add Custom CSS991K+
Support Resolution
100%Simple Custom CSS and JS
WP Add Custom CSSN/A
Last Updated
4 weeks agoSimple Custom CSS and JS
◄
WP Add Custom CSS7 months ago
First Released
2015Simple Custom CSS and JS
WP Add Custom CSS2014
Age
11 yearsSimple Custom CSS and JS
WP Add Custom CSS12 years
WP Requires
3.0.1+Simple Custom CSS and JS
WP Add Custom CSS4.0+
PHP Requires
5.2.4+Simple Custom CSS and JS
WP Add Custom CSSfalse+
Business Model
FreeSimple Custom CSS and JS
WP Add Custom CSSFree
Latest Version
3.52Simple Custom CSS and JS
WP Add Custom CSS1.2.1

Rating Breakdown

Simple Custom CSS and JS

4.4/5(102 reviews)
5
79%
4
4%
3
4%
2
2%
1
11%

WP Add Custom CSS

4.8/5(90 reviews)
5
91%
4
2%
3
2%
2
2%
1
2%

Recent Reviews

Simple Custom CSS and JS Reviews

by ishraqued

Splendid

Great Plugin This topic was modified 2 days, 7 hours ago by ishraqued.

by michaelmatzkin

Great customer support and response to my need

I appreciate you addressing what had been an incompatibility with another plugin. This fix helps me make better use of your product.

by Heath Woodward

Just what I was looking for

Works perfectly. Great plugin.

WP Add Custom CSS Reviews

by Jesko Bendmann

love it

simple and one click access. great plugin.

by danielepais

It does exactly what it says in the tin

Great simple and effective plugin.

by skylabb

Great plugin with a couple issues

I want to like this plugin but there are a couple things needed improvement. Having the option to choose output method is great, but useless when it’s not working. The “Use a CSS file” option does not

Frequently Asked Questions

Is Simple Custom CSS and JS or WP Add Custom CSS more popular?
Simple Custom CSS and JS has 700K+ active installations while WP Add Custom CSS has 60K+. Simple Custom CSS and JS is the more widely-used plugin as of April 2026.
Which has better ratings — Simple Custom CSS and JS or WP Add Custom CSS?
Simple Custom CSS and JS has a 4.4/5 rating from 102 reviews, while WP Add Custom CSS has a 4.8/5 rating from 90 reviews.
Are Simple Custom CSS and JS and WP Add Custom CSS free?
Simple Custom CSS and JS is free and WP Add Custom CSS is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — Simple Custom CSS and JS or WP Add Custom 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 and JS was last updated 4 weeks ago and WP Add Custom CSS was last updated 7 months ago.

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