Simple Custom CSS Plugin vs Custom Block Builder – Lazy Blocks (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
Custom Block Builder – Lazy Blocks

Custom Block Builder – Lazy Blocks

4.9(80)

20K+ active installs

Free + Premium

Updated 1 month ago
View Custom Block Builder – Lazy Blocks

Quick Verdict

As of April 2026, Custom Block Builder – Lazy Blocks has a higher user rating (4.9/5 from 80 reviews) while Simple Custom CSS Plugin leads in active installations (100K+ vs 20K+). Both are free WordPress plugins. Simple Custom CSS Plugin has accumulated 3.1M+ total downloads while Custom Block Builder – Lazy Blocks has 414K+.

Detailed Comparison

Rating
4.7/5Simple Custom CSS Plugin
Custom Block Builder – Lazy Blocks4.9/5
Total Reviews
159Simple Custom CSS Plugin
Custom Block Builder – Lazy Blocks80
Active Installs
100K+Simple Custom CSS Plugin
Custom Block Builder – Lazy Blocks20K+
Total Downloads
3.1M+Simple Custom CSS Plugin
Custom Block Builder – Lazy Blocks414K+
Support Resolution
N/ASimple Custom CSS Plugin
Custom Block Builder – Lazy Blocks0%
Last Updated
1 year agoSimple Custom CSS Plugin
Custom Block Builder – Lazy Blocks1 month ago
First Released
2013Simple Custom CSS Plugin
Custom Block Builder – Lazy Blocks2018
Age
13 yearsSimple Custom CSS Plugin
Custom Block Builder – Lazy Blocks8 years
WP Requires
3.0.1+Simple Custom CSS Plugin
Custom Block Builder – Lazy Blocks6.2+
PHP Requires
false+Simple Custom CSS Plugin
Custom Block Builder – Lazy Blocks8.0+
Business Model
FreeSimple Custom CSS Plugin
Custom Block Builder – Lazy BlocksFree + Premium
Latest Version
4.0.7Simple Custom CSS Plugin
Custom Block Builder – Lazy Blocks4.2.1

Rating Breakdown

Simple Custom CSS Plugin

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

Custom Block Builder – Lazy Blocks

4.9/5(80 reviews)
5
95%
4
4%
3
1%
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.

Custom Block Builder – Lazy Blocks Reviews

by KS

Amazing plugin

Very useable plugin for building custom blocks, easy to work with and very flexible.

by pixelmodifier

Speeds up development

Hi, thanks for awesome plugin! It really makes developing sites faster when using Gutenberg editor.

by Pavel Leontiev

Greatest plugin for all people who hate Page Builders

Unfortunately it’s not being updated for 5 months 🙁

Frequently Asked Questions

Is Simple Custom CSS Plugin or Custom Block Builder – Lazy Blocks more popular?
Simple Custom CSS Plugin has 100K+ active installations while Custom Block Builder – Lazy Blocks has 20K+. Simple Custom CSS Plugin is the more widely-used plugin as of April 2026.
Which has better ratings — Simple Custom CSS Plugin or Custom Block Builder – Lazy Blocks?
Simple Custom CSS Plugin has a 4.7/5 rating from 159 reviews, while Custom Block Builder – Lazy Blocks has a 4.9/5 rating from 80 reviews.
Are Simple Custom CSS Plugin and Custom Block Builder – Lazy Blocks free?
Simple Custom CSS Plugin is free and Custom Block Builder – Lazy Blocks is free + premium. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — Simple Custom CSS Plugin or Custom Block Builder – Lazy Blocks?
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 Custom Block Builder – Lazy Blocks was last updated 1 month ago.

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