Blackhole for Bad Bots vs SilentShield – Captcha & Anti-Spam for… (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Blackhole for Bad Bots
30K+ active installs
Free
SilentShield – Captcha & Anti-Spam for…
10K+ active installs
Free
Quick Verdict
As of April 2026, Blackhole for Bad Bots has a higher user rating (4.7/5 from 148 reviews) and leads in active installations (30K+ vs 10K+). Both are free WordPress plugins. Blackhole for Bad Bots has accumulated 887K+ total downloads while SilentShield – Captcha & Anti-Spam for… has 214K+. SilentShield – Captcha & Anti-Spam for… has a higher support resolution rate (100% vs 100%).
Detailed Comparison
| Metric | Blackhole for Bad Bots | SilentShield – Captcha & Anti-Spam for… | |
|---|---|---|---|
| Rating | 4.7/5 | ◄ | 4.6/5 |
| Total Reviews | 148 | ◄ | 18 |
| Active Installs | 30K+ | ◄ | 10K+ |
| Total Downloads | 887K+ | ◄ | 214K+ |
| Support Resolution | 100% | 100% | |
| Last Updated | 2 weeks ago | ► | 3 days ago |
| First Released | 2016 | 2021 | |
| Age | 10 years | 5 years | |
| WP Requires | 4.7+ | 5.2+ | |
| PHP Requires | 5.6.20+ | 7.4+ | |
| Business Model | Free | Free | |
| Latest Version | 3.8.1 | 2.6.13 |
Rating Breakdown
Blackhole for Bad Bots
SilentShield – Captcha & Anti-Spam for…
Download Trends
Over the past 30 days, Blackhole for Bad Bots averaged approximately 905 daily downloads while SilentShield – Captcha & Anti-Spam for… averaged 593.
Recent Reviews
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]
SilentShield – Captcha & Anti-Spam for… Reviews
Great Plug-In
Easy to use and does exactly what it should. Not overloaded, pretty easy to setup. Awesome ! Works like a charm with Elementor !
Finally the spam stopped!!!
This is FINALLY the solution I was looking for. Thousands of spam emails from my website have been a plague. Now – with this amazing plug-in – it has STOPPED. My gratitude is immense. A real game
Beware: Blocks login
Blocks login even if login protection is not checked in dashboard. Moreover, the right answer does not allow to login. You get locked out your own WP site.
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Frequently Asked Questions
Is Blackhole for Bad Bots or SilentShield – Captcha & Anti-Spam for… more popular?
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.