NinjaFirewall (WP Edition) – Advanced… vs Zero Spam for WordPress (2026)

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

NinjaFirewall (WP Edition) – Advanced…

NinjaFirewall (WP Edition) – Advanced…

4.9(217)

100K+ active installs

Free

Updated 2 days ago
View NinjaFirewall (WP Edition) – Advanced…
VS
Zero Spam for WordPress

Zero Spam for WordPress

4.1(142)

20K+ active installs

Free

Updated 2 weeks ago
View Zero Spam for WordPress

Quick Verdict

As of April 2026, NinjaFirewall (WP Edition) – Advanced… has a higher user rating (4.9/5 from 217 reviews) and leads in active installations (100K+ vs 20K+). Both are free WordPress plugins. NinjaFirewall (WP Edition) – Advanced… has accumulated 3.2M+ total downloads while Zero Spam for WordPress has 1.4M+. Zero Spam for WordPress has a higher support resolution rate (100% vs 100%).

Detailed Comparison

Rating
4.9/5NinjaFirewall (WP Edition) – Advanced…
Zero Spam for WordPress4.1/5
Total Reviews
217NinjaFirewall (WP Edition) – Advanced…
Zero Spam for WordPress142
Active Installs
100K+NinjaFirewall (WP Edition) – Advanced…
Zero Spam for WordPress20K+
Total Downloads
3.2M+NinjaFirewall (WP Edition) – Advanced…
Zero Spam for WordPress1.4M+
Support Resolution
100%NinjaFirewall (WP Edition) – Advanced…
Zero Spam for WordPress100%
Last Updated
2 days agoNinjaFirewall (WP Edition) – Advanced…
Zero Spam for WordPress2 weeks ago
First Released
2013NinjaFirewall (WP Edition) – Advanced…
Zero Spam for WordPress2014
Age
13 yearsNinjaFirewall (WP Edition) – Advanced…
Zero Spam for WordPress12 years
WP Requires
4.9+NinjaFirewall (WP Edition) – Advanced…
Zero Spam for WordPress6.9+
PHP Requires
7.1+NinjaFirewall (WP Edition) – Advanced…
Zero Spam for WordPress8.2+
Business Model
FreeNinjaFirewall (WP Edition) – Advanced…
Zero Spam for WordPressFree
Latest Version
4.8.5NinjaFirewall (WP Edition) – Advanced…
Zero Spam for WordPress5.5.8

Rating Breakdown

NinjaFirewall (WP Edition) – Advanced…

4.9/5(217 reviews)
5
96%
4
0%
3
0%
2
0%
1
3%

Zero Spam for WordPress

4.1/5(142 reviews)
5
76%
4
1%
3
1%
2
5%
1
17%

Recent Reviews

NinjaFirewall (WP Edition) – Advanced… Reviews

by Vu Tru So

Great plugin

Thank you for creating a great plugin

by CPX

An ACTUAL Firewall for WordPress

This plugin is fantastic! A proper web application firewall for WordPress, once set up correctly. Been testing it for the last two years without any problems whatsoever. Great work, guys!

by demuis

Excellent plugin

After experiencing a massive infection on a WordPress site, I started using this plugin. Since then, I haven’t had any infections at all. I am very satisfied with it, and it’s now in use on over 50 si

Zero Spam for WordPress Reviews

by Amibe Websites

Giving options to meet your needs

Fighting SPAM is an ongoing struggle – sometime we’re ‘winning’, and sometime we’re not.I’ve been using the public version of Zero Spam for a few years. It’s not always been smooth, but when it comes

by matteo raggi

I love it

I use it for dozens of websites, , very usefull, I love it!

by Wordlen

Cluttered spammy and confusing

Impossible to find where to block one specific IP, everything is just spam and sales and license and subscription, we just needed to block one specific problem IP and this plugin made that impossible.

Frequently Asked Questions

Is NinjaFirewall (WP Edition) – Advanced… or Zero Spam for WordPress more popular?
NinjaFirewall (WP Edition) – Advanced… has 100K+ active installations while Zero Spam for WordPress has 20K+. NinjaFirewall (WP Edition) – Advanced… is the more widely-used plugin as of April 2026.
Which has better ratings — NinjaFirewall (WP Edition) – Advanced… or Zero Spam for WordPress?
NinjaFirewall (WP Edition) – Advanced… has a 4.9/5 rating from 217 reviews, while Zero Spam for WordPress has a 4.1/5 rating from 142 reviews.
Are NinjaFirewall (WP Edition) – Advanced… and Zero Spam for WordPress free?
NinjaFirewall (WP Edition) – Advanced… is free and Zero Spam for WordPress is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — NinjaFirewall (WP Edition) – Advanced… or Zero Spam for WordPress?
As of April 2026, NinjaFirewall (WP Edition) – Advanced… has a 100% support resolution rate while Zero Spam for WordPress has a 100% rate.
Which plugin is updated more frequently?
NinjaFirewall (WP Edition) – Advanced… was last updated 2 days ago and Zero Spam for WordPress was last updated 2 weeks ago.

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