WordPress plugin comparison

HumanCaptcha by Outerbridge vs Really Simple CAPTCHA

HumanCaptcha by Outerbridge

by Outerbridge

200+ installs4.3

Really Simple CAPTCHA

by Rock Lobster Inc.

300K+ installs4.2

At a glance

Really Simple CAPTCHA has more active installs: 300K+, against 200+ for HumanCaptcha by Outerbridge.
On a typical day, Really Simple CAPTCHA is downloaded about 988 times, HumanCaptcha by Outerbridge about 4.
HumanCaptcha by Outerbridge is rated higher: 4.3 out of 5 from 16 reviews, against 4.2 from 131 reviews.
Really Simple CAPTCHA was updated more recently: Aug 23, 2026, against Aug 27, 2021 for HumanCaptcha by Outerbridge.
Really Simple CAPTCHA is tested with a newer WordPress: 7.1.4, against 5.8.19 for HumanCaptcha by Outerbridge.
Really Simple CAPTCHA has been around longer: since 2009, against 2011 for HumanCaptcha by Outerbridge.

Really Simple CAPTCHA leads on 6 of 7 comparable lines.

Metric	HumanCaptcha by Outerbridge	Really Simple CAPTCHA
Popular rank	#11,355	#188
Active installs	200+	300K+
Downloads, last 30 days	79	31.3K
Rating	4.3(16)	4.2(131)
Support threads resolved	–	0%
Tested up to	5.8.19	7.1.4
Search multiplier	×0.00	×1.25
Last release	5 years 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.

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