Yes, Clean Box is completely free to use. It is available on WordPress.org at no cost.

How many websites use Clean Box?

Clean Box has 300 active installations as tracked by WordPress.org.

What are the best Clean Box alternatives?

Popular alternatives to Clean Box include Twenty Twenty-Five, Astra, Twenty Twenty-Four. You can compare them on our theme directory.

Does Clean Box work with the latest WordPress?

Clean Box requires WordPress 5.9+ and PHP 5.6+. Check the theme's WordPress.org page for the latest compatibility information.

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Clean Box

Name: Clean Box
Rating: 5 (13 reviews)
Author: Catch Themes

By Catch Themes·Blog·Free

5(13 reviews)

·300 active installs·Updated 3 months ago

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As of April 2026, Clean Box is a WordPress theme with 300 active installations and a 5/5 rating from 13 reviews. It has been downloaded 60K+ times in total. Requires WordPress 5.9+ and PHP 5.6+. Available on WordPress.org since 2016. Top alternative: Twenty Twenty-Five.

5/513 reviews

300active installs

60K+total downloads

10 yearssince 2016

Overview

Clean Box is a Simple, Clean, Grid Base Responsive WordPress Theme which automatically adapts to the screen's size, ensuring that your content is always displayed beautifully no matter what device visitors are using. It is based in HTML5, CSS3 and WordPress Theme Customizer for real time customization. This theme is translation ready and also currently translated in Danish, German, Japanese and French language. Check out Theme Instructions at https://catchthemes.com/theme-instructions/clean-box/, Support at https://catchthemes.com/support/ and Demo at https://catchthemes.com/demo/clean-box/

Read full description on WordPress.org