Gravity Forms Zero Spam vs Blackhole for Bad Bots (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Gravity Forms Zero Spam
100K+ active installs
Free
Blackhole for Bad Bots
30K+ active installs
Free
Quick Verdict
As of April 2026, Blackhole for Bad Bots has a higher user rating (4.7/5 from 148 reviews) while Gravity Forms Zero Spam leads in active installations (100K+ vs 30K+). Both are free WordPress plugins. Gravity Forms Zero Spam has accumulated 1.2M+ total downloads while Blackhole for Bad Bots has 887K+. Blackhole for Bad Bots has a higher support resolution rate (100% vs 100%).
Detailed Comparison
| Metric | Gravity Forms Zero Spam | Blackhole for Bad Bots | |
|---|---|---|---|
| Rating | 4.3/5 | ► | 4.7/5 |
| Total Reviews | 24 | ► | 148 |
| Active Installs | 100K+ | ◄ | 30K+ |
| Total Downloads | 1.2M+ | ◄ | 887K+ |
| Support Resolution | 100% | 100% | |
| Last Updated | 2 days ago | ◄ | 2 weeks ago |
| First Released | 2014 | 2016 | |
| Age | 12 years | 10 years | |
| WP Requires | 4.7+ | 4.7+ | |
| PHP Requires | 7.4+ | 5.6.20+ | |
| Business Model | Free | Free | |
| Latest Version | 1.7.4 | 3.8.1 |
Rating Breakdown
Gravity Forms Zero Spam
Blackhole for Bad Bots
Download Trends
Over the past 30 days, Gravity Forms Zero Spam averaged approximately 6,639 daily downloads while Blackhole for Bad Bots averaged 905.
Recent Reviews
Gravity Forms Zero Spam Reviews
Does the job very good!
Very good working plugin and good quick support!
This works very well!
I installed this recently on a client site and it works very well! It blocked a lot of spam, and let the good messages through. And I like that I can check and see what was blocked. I hope you keep th
Really doesn’t work
I have thousands and thousands of spam gform submissions AFTER activating this plugin. Name: WilliamOrela WilliamOrelaTJ Phone: Email: Location: Tajikistan Message: alunc
Blackhole for Bad Bots Reviews
Cloudflare Compatibility
Plug in has many problems with Cloudflare
Does nothing!
n/a This topic was modified 4 months, 2 weeks ago by ron441241. This topic was modified 4 months, 2 weeks ago by ron441241.
Great plugin
Hi. It seems to be doing its job. I am happy with it. Thanks 🙂 [Blackhole for Bad Bots]
More Honeypot Worth Comparing
Top alternatives in the same category as Gravity Forms Zero Spam and Blackhole for Bad Bots
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No more fake leads or unwanted submissions — Maspik blocks spam instantly across all forms without using CAPTCHA.
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SilentShield – the invisible shield against spam. Spam is the weed of the internet. It clogs your forms, steals your time, and corrupts your data.
This plugin fights comment and registration spam on your website.
Frequently Asked Questions
Is Gravity Forms Zero Spam or Blackhole for Bad Bots more popular?
Which has better ratings — Gravity Forms Zero Spam or Blackhole for Bad Bots?
Are Gravity Forms Zero Spam and Blackhole for Bad Bots free?
Which plugin has better support — Gravity Forms Zero Spam or Blackhole for Bad Bots?
Which plugin is updated more frequently?
Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.