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…
100K+ active installs
Free
Zero Spam for WordPress
20K+ active installs
Free
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
| Metric | NinjaFirewall (WP Edition) – Advanced… | Zero Spam for WordPress | |
|---|---|---|---|
| Rating | 4.9/5 | ◄ | 4.1/5 |
| Total Reviews | 217 | ◄ | 142 |
| Active Installs | 100K+ | ◄ | 20K+ |
| Total Downloads | 3.2M+ | ◄ | 1.4M+ |
| Support Resolution | 100% | 100% | |
| Last Updated | 2 days ago | ◄ | 2 weeks ago |
| First Released | 2013 | 2014 | |
| Age | 13 years | 12 years | |
| WP Requires | 4.9+ | 6.9+ | |
| PHP Requires | 7.1+ | 8.2+ | |
| Business Model | Free | Free | |
| Latest Version | 4.8.5 | 5.5.8 |
Rating Breakdown
NinjaFirewall (WP Edition) – Advanced…
Zero Spam for WordPress
Download Trends
Over the past 30 days, NinjaFirewall (WP Edition) – Advanced… averaged approximately 4,113 daily downloads while Zero Spam for WordPress averaged 597.
Recent Reviews
NinjaFirewall (WP Edition) – Advanced… Reviews
Great plugin
Thank you for creating a great plugin
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!
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
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
I love it
I use it for dozens of websites, , very usefull, I love it!
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?
Which has better ratings — NinjaFirewall (WP Edition) – Advanced… or Zero Spam for WordPress?
Are NinjaFirewall (WP Edition) – Advanced… and Zero Spam for WordPress free?
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.