Simple Custom CSS Plugin vs Theme Mentor (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Simple Custom CSS Plugin
100K+ active installs
Free
Quick Verdict
As of April 2026, Theme Mentor has a higher user rating (5/5 from 2 reviews) while Simple Custom CSS Plugin leads in active installations (100K+ vs 10). Both are free WordPress plugins. Simple Custom CSS Plugin has accumulated 3.1M+ total downloads while Theme Mentor has 5.5K+.
Detailed Comparison
| Metric | Simple Custom CSS Plugin | Theme Mentor | |
|---|---|---|---|
| Rating | 4.7/5 | ► | 5/5 |
| Total Reviews | 159 | ◄ | 2 |
| Active Installs | 100K+ | ◄ | 10 |
| Total Downloads | 3.1M+ | ◄ | 5.5K+ |
| Support Resolution | N/A | N/A | |
| Last Updated | 1 year ago | ◄ | 6 years ago |
| First Released | 2013 | 2013 | |
| Age | 13 years | 13 years | |
| WP Requires | 3.0.1+ | 4.9.13+ | |
| PHP Requires | false+ | false+ | |
| Business Model | Free | Free | |
| Latest Version | 4.0.7 | 0.2 |
Rating Breakdown
Simple Custom CSS Plugin
Theme Mentor
Download Trends
Recent Reviews
Simple Custom CSS Plugin Reviews
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
So simple yet works perfect!
İt’s so easy to use and does the job as described.
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.
Theme Mentor Reviews
No reviews yet
More Plugins Worth Comparing
Top alternatives in the same category as Simple Custom CSS Plugin and Theme Mentor
Easily add code snippets in WordPress. Insert header & footer scripts, add PHP code snippets with conditional logic, insert ads pixel code, and more.
An easy, clean and simple way to enhance your site with code snippets.
Create custom "Shortcodes" easily for HTML, JavaScript, CSS code snippets and use the shortcodes within posts, pages & widgets
Easy add site-wide, category and article specific custom code before the closing </head> and </body>, or after opening <body> tag.
This plugin allows Admin users to individually add HTML, custom CSS, Classes and JavaScript directly to Post, Pages or any other custom post types.
Easily post syntax-highlighted code to your site without having to modify the code at all. As seen on WordPress.com.
Frequently Asked Questions
Is Simple Custom CSS Plugin or Theme Mentor more popular?
Which has better ratings — Simple Custom CSS Plugin or Theme Mentor?
Are Simple Custom CSS Plugin and Theme Mentor free?
Which plugin has better support — Simple Custom CSS Plugin or Theme Mentor?
Which plugin is updated more frequently?
Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.