WordPress plugin comparison

Math Captcha for Contact Form 7 vs Really Simple CAPTCHA

Math Captcha for Contact Form 7

by Shohidul Islam Apu

300+ installs5.0

Really Simple CAPTCHA

by Rock Lobster Inc.

300K+ installs4.2

At a glance

Really Simple CAPTCHA has more active installs: 300K+, against 300+ for Math Captcha for Contact Form 7.
On a typical day, Really Simple CAPTCHA is downloaded about 892 times, Math Captcha for Contact Form 7 about 9.
Math Captcha for Contact Form 7 is rated higher: 5.0 out of 5 from 3 reviews, against 4.2 from 131 reviews.
Really Simple CAPTCHA was updated more recently: Aug 23, 2026, against Mar 21, 2026 for Math Captcha for Contact Form 7.
Really Simple CAPTCHA is tested with a newer WordPress: 7.1.4, against 6.9.11 for Math Captcha for Contact Form 7.
Really Simple CAPTCHA has been around longer: since 2009, against 2025 for Math Captcha for Contact Form 7.

Really Simple CAPTCHA leads on 6 of 7 comparable lines.

Metric	Math Captcha for Contact Form 7	Really Simple CAPTCHA
Popular rank	#10,768	#188
Active installs	300+	300K+
Downloads, last 30 days	159	32.2K
Rating	5.0(3)	4.2(131)
Support threads resolved	–	0%
Tested up to	6.9.11	7.1.4
Search multiplier	×0.40	×1.25
Last release	7 months ago	2 months ago
Requires PHP	7.4	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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