WordPress plugin comparison
Blue Captcha vs Really Simple CAPTCHA
At a glance
- Really Simple CAPTCHA has more active installs: 300K+, against 400+ for Blue Captcha.
- On a typical day, Really Simple CAPTCHA is downloaded about 988 times, Blue Captcha about 10.
- Blue Captcha is rated higher: 4.7 out of 5 from 15 reviews, against 4.2 from 131 reviews.
- Really Simple CAPTCHA was updated more recently: Aug 23, 2026, against Aug 17, 2026 for Blue Captcha.
- Really Simple CAPTCHA is tested with a newer WordPress: 7.1.4, against 7.0.8 for Blue Captcha.
- Really Simple CAPTCHA has been around longer: since 2009, against 2012 for Blue Captcha.
Line by line
Really Simple CAPTCHA leads on 6 of 7 comparable lines.
| Metric |  Blue Captcha |  Really Simple CAPTCHA |
|---|---|---|
| Popular rank | #9,336 | #188 |
| Active installs | 400+ | 300K+ |
| Downloads, last 30 days | 261 | 31.8K |
| Rating | 4.7(15) | 4.2(131) |
| Support threads resolved | – | 0% |
| Tested up to | 7.0.8 | 7.1.4 |
| Search multiplier | ×0.52 | ×1.25 |
| Last release | 2 months ago | 2 months ago |
| Requires PHP | 7.0 | 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
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