Really Simple CAPTCHA vs CrowdSec (2026)

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

Really Simple CAPTCHA

Really Simple CAPTCHA

4.2(129)

300K+ active installs

Free

Updated 1 year ago
View Really Simple CAPTCHA
VS
CrowdSec

CrowdSec

5(5)

2.0K+ active installs

Free

Updated 2 months ago
View CrowdSec

Quick Verdict

As of April 2026, CrowdSec has a higher user rating (5/5 from 5 reviews) while Really Simple CAPTCHA leads in active installations (300K+ vs 2.0K+). Both are free WordPress plugins. Really Simple CAPTCHA has accumulated 9.3M+ total downloads while CrowdSec has 58K+.

Detailed Comparison

Rating
4.2/5Really Simple CAPTCHA
CrowdSec5/5
Total Reviews
129Really Simple CAPTCHA
CrowdSec5
Active Installs
300K+Really Simple CAPTCHA
CrowdSec2.0K+
Total Downloads
9.3M+Really Simple CAPTCHA
CrowdSec58K+
Support Resolution
N/AReally Simple CAPTCHA
CrowdSec0%
Last Updated
1 year agoReally Simple CAPTCHA
CrowdSec2 months ago
First Released
2009Really Simple CAPTCHA
CrowdSec2021
Age
17 yearsReally Simple CAPTCHA
CrowdSec5 years
WP Requires
6.6+Really Simple CAPTCHA
CrowdSec4.9+
PHP Requires
7.4+Really Simple CAPTCHA
CrowdSec7.2+
Business Model
FreeReally Simple CAPTCHA
CrowdSecFree
Latest Version
2.4Really Simple CAPTCHA
CrowdSec2.13.1

Rating Breakdown

Really Simple CAPTCHA

4.2/5(129 reviews)
5
70%
4
12%
3
1%
2
3%
1
15%

CrowdSec

5/5(5 reviews)
5
100%
4
0%
3
0%
2
0%
1
0%

Recent Reviews

Really Simple CAPTCHA Reviews

by afudo1tlg

Prima, funktioniert auch auf meiner WP 6.9 einwandfrei

Super simple! Einfach in Contact Form 7 Version 6.1.4 einzubinden. Danke. Meine WordPress Installation: Version 6.9.PHP Version 8.4.15

by Diego Soto

Bad

I’m sorry to have to give this a bad rating. The amount of spam with Contact Form 7 was enormous. I had to remove it.

by Maxcom

Works great with Gravity Forms in 2024!

Nothing but positives. We added this to our Gravity Form in order to obtain the dynamic math captcha. One can create a simple math captcha in GF but not dynamically changing for each form load insof

CrowdSec Reviews

by tinaponting

Great plugin

Protects my blog very well from all these nast bots:)

by xivos01

Excellent Support

Crowdsec is pretty amazing, easy to set up even if you’re not a security expert, and the documentation is straightforward. The plugin is very well supported, and they don’t just blame plugin confl

by datapioneer2

CrowdSec Plugin Crashes WordPress 6.01 Website

My WordPress server & installation (including PHP version) met or exceeded all requirements. I was running WordPress 6.01 which apparently hasn’t been tested. After downloading and activating the plug

Frequently Asked Questions

Is Really Simple CAPTCHA or CrowdSec more popular?
Really Simple CAPTCHA has 300K+ active installations while CrowdSec has 2.0K+. Really Simple CAPTCHA is the more widely-used plugin as of April 2026.
Which has better ratings — Really Simple CAPTCHA or CrowdSec?
Really Simple CAPTCHA has a 4.2/5 rating from 129 reviews, while CrowdSec has a 5/5 rating from 5 reviews.
Are Really Simple CAPTCHA and CrowdSec free?
Really Simple CAPTCHA is free and CrowdSec is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — Really Simple CAPTCHA or CrowdSec?
Support resolution data is not available for all plugins. Check each plugin's WordPress.org support forum for current response quality.
Which plugin is updated more frequently?
Really Simple CAPTCHA was last updated 1 year ago and CrowdSec was last updated 2 months ago.

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