WordPress plugin comparison
Mailster Cool Captcha vs Really Simple CAPTCHA
Mailster Cool Captcha
by EverPress
400+ installs
Really Simple CAPTCHA
by Rock Lobster Inc.
300K+ installs4.2
At a glance
- Really Simple CAPTCHA has more active installs: 300K+, against 400+ for Mailster Cool Captcha.
- On a typical day, Really Simple CAPTCHA is downloaded about 892 times, Mailster Cool Captcha about 9.
- Mailster Cool Captcha has no reviews yet.
- Mailster Cool Captcha was updated more recently: Oct 14, 2026, against Aug 23, 2026 for Really Simple CAPTCHA.
- Both are tested up to WordPress 7.1.4.
- Really Simple CAPTCHA has been around longer: since 2009, against 2017 for Mailster Cool Captcha.
Line by line
Really Simple CAPTCHA leads on 4 of 5 comparable lines.
| Metric | Mailster Cool Captcha | Really Simple CAPTCHA |
|---|---|---|
| Popular rank | #9,928 | #188 |
| Active installs | 400+ | 300K+ |
| Downloads, last 30 days | 461 | 32.2K |
| Rating | No ratings | 4.2(131) |
| Support threads resolved | – | 0% |
| Tested up to | 7.1.4 | 7.1.4 |
| Search multiplier | ×0.38 | ×1.25 |
| Last release | 26 days ago | 2 months ago |
| Requires PHP | – | 8.3 |
From WordPress.org's public data, refreshed every night. Downloads are WordPress.org's official daily figures for the last 30 days.
Tags they share
More comparisons
- Mailster Cool Captcha vs Simple CAPTCHA with Cloudflare Turnstile
- Mailster Cool Captcha vs Gravity Forms Zero Spam
- Mailster Cool Captcha vs Image CAPTCHA for Contact Form 7 and WPForms by HookAndHook (DSGVO/GDPR)
- Mailster Cool Captcha vs Friendly Captcha for WordPress
- Really Simple CAPTCHA vs Simple CAPTCHA with Cloudflare Turnstile
- Really Simple CAPTCHA vs LukasApps CAPTCHA tools for Contact Form 7
- Really Simple CAPTCHA vs Captcha Code
- Really Simple CAPTCHA vs CAPTCHA 4WP
Is one of these yours?
Track your plugin against its rivals every day: rank, installs, downloads, ratings and their releases, with alerts when anything moves.
Start free