Really Simple CAPTCHA vs DS CF7 Math Captcha (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Quick Verdict
As of April 2026, DS CF7 Math Captcha has a higher user rating (5/5 from 8 reviews) while Really Simple CAPTCHA leads in active installations (300K+ vs 30K+). Both are free WordPress plugins. Really Simple CAPTCHA has accumulated 9.3M+ total downloads while DS CF7 Math Captcha has 72K+.
Detailed Comparison
| Metric | Really Simple CAPTCHA | DS CF7 Math Captcha | |
|---|---|---|---|
| Rating | 4.2/5 | ► | 5/5 |
| Total Reviews | 129 | ◄ | 8 |
| Active Installs | 300K+ | ◄ | 30K+ |
| Total Downloads | 9.3M+ | ◄ | 72K+ |
| Support Resolution | N/A | 0% | |
| Last Updated | 1 year ago | ► | 1 month ago |
| First Released | 2009 | 2021 | |
| Age | 17 years | 5 years | |
| WP Requires | 6.6+ | 6.5+ | |
| PHP Requires | 7.4+ | 7.4+ | |
| Business Model | Free | Free | |
| Latest Version | 2.4 | 3.1.0 |
Rating Breakdown
Really Simple CAPTCHA
DS CF7 Math Captcha
Download Trends
Over the past 30 days, Really Simple CAPTCHA averaged approximately 406 daily downloads while DS CF7 Math Captcha averaged 61.
Recent Reviews
Really Simple CAPTCHA Reviews
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
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.
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
DS CF7 Math Captcha Reviews
Best Contact Form Spam Protection
This is by far the easiest and best spam protection plugin for contact forms on your website. Better still it’s free with great support.
Nice and simple
This is very good captcha plugin! Easy to use, optically nice and the plugin author seems to react very quick to questions/issues.
Asm spam protection CF7
I’ve been using the DS CF7 Math Captcha plugin for my Contact Form 7 forms, and it’s been fantastic at stopping spam! The math-based captchas are simple for users but effective against bots. Highly re
More Plugins Worth Comparing
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Frequently Asked Questions
Is Really Simple CAPTCHA or DS CF7 Math Captcha more popular?
Which has better ratings — Really Simple CAPTCHA or DS CF7 Math Captcha?
Are Really Simple CAPTCHA and DS CF7 Math Captcha free?
Which plugin has better support — Really Simple CAPTCHA or DS CF7 Math Captcha?
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.