Yes, Stop Junk is free to use. It is available as a free plugin on WordPress.org.

How many websites use Stop Junk?

Stop Junk has 30 active installations as tracked by WordPress.org.

What are the best Stop Junk alternatives?

Popular alternatives to Stop Junk include WP jQuery Spam, Header Junk Remover, WP Spam Protecter. You can compare them side-by-side on our comparison pages.

Does Stop Junk work with the latest WordPress?

Stop Junk has been tested up to WordPress 3.3.2. It requires WordPress 3.0+ and PHP false+.

PluginSift

Stop Junk

Name: Stop Junk
Author: Matthew Bretag

Stops spam on comments box. User needs to enter result of a simple math problem in a text box before posting a comment.

By Matthew Bretag·Junk·Free

·30 active installs·Updated 13 years ago

Download Visit Homepage Compare

As of April 2026, Stop Junk is a WordPress junk plugin with 30 active installations and a 0/5 rating0. It has been downloaded 4.0K+ times in total. Requires WordPress 3.0+ and PHP false+. Available on WordPress.org since 2012. Last updated 13 years ago — may have compatibility concerns. Top alternative: WP jQuery Spam.

0/5Rating

30active installs

4.0K+total downloads

14 yearssince 2012

Overview

Stops spam on comments box. User needs to enter result of a simple math problem in a text box before posting a comment. User will only be prompted if not logged in. It’s a simple to use plugin that won’t leave your user frustrated when trying to post. Try the demo here.

Read full description on WordPress.org