Census › Plugin profiles › Really Simple CAPTCHA
Really Simple CAPTCHA
Figures from the Plugin Directory Census · as of 28 Aug 2026
300,000
Active installs, lower bound
Group: 100,000 to 999,999 installs
5
Days since the last release
Group median: 12
4.2
out of 5, from 131 ratings
Group median: 4.7 (10+ ratings)
100.0%
Support threads marked resolved, two months
Group: 68.2%
Full profile on wordpress.orgShow on the mapCompare with your own plugins
What is Really Simple CAPTCHA and who is behind it?
Really Simple CAPTCHA is a WordPress plugin in the “Security” field, made by Rock Lobster Inc.. It has been listed in the directory since 10 Mar 2009, so for 17 years. Rock Lobster Inc. has 4 plugins with at least 10,000 installs in the census. With 300,000 to 399,999 active installs it belongs to the 100,000 to 999,999 installs group; its last release came 5 days before the reference date, and it is tested up to WordPress 7.1.
This is how the author describes the plugin on wordpress.org:
“Really Simple CAPTCHA is a CAPTCHA module intended to be called from other plugins. It is originally created for my Contact Form 7 plugin.”
Self-description on wordpress.org, retrieved on 10 Sept 2026
When was Really Simple CAPTCHA last released?
The last release of Really Simple CAPTCHA came 5 days before the reference date; the group median is 12 days.
How many installs does Really Simple CAPTCHA have?
Really Simple CAPTCHA had 300,000 to 399,999 active installs on the reference date. Within its group, 88 plugins had a higher band and 50 plugins the same band.
The API reports installs only as a lower bound with one significant figure: 300,000 means at least 300,000 and at most 399,999.
Which WordPress version is Really Simple CAPTCHA tested with?
No directory notice: tested up to WordPress 7.1, while core stood at 7.1 on the reference date. The notice appears once the field falls below 6.9; that applied to 8.0% of the group.
How does Really Simple CAPTCHA compare with its group?
The group holds 399 listed plugins. 22.6% of them had a more recent last release than Really Simple CAPTCHA; 5.3% had no release for more than 365 days.
| Figure | Really Simple CAPTCHA | Group, 399 plugins |
|---|---|---|
| Days since the last release | 5 | median 12 |
| Rating | 4.2 (131) | median 4.7 (10+ ratings) |
| Support threads marked resolved | 100.0% | 68.2% |
| Tested up to | 7.1 | 47.6% on 7.1 |
| Requires PHP | 8.3 | most often 7.4 (41.6%) |
All values on the reference date
| Slug | really-simple-captcha |
|---|---|
| Author | Rock Lobster Inc. |
| Active installs | 300,000 to 399,999 |
| Last release | 5 days before the reference date |
| Tested up to | WordPress 7.1 · core on the reference date: 7.1 |
| Requires WordPress | 7.1 |
| Requires PHP | 8.3 |
| Rating | 4.2 out of 5 from 131 ratings |
| Support threads, two months | 1 of 1 marked resolved |
| Listed since | 10 Mar 2009 |
| Total downloads | 9,417,232, updates included |
| Tags | captcha |
Tags
| Tag | Plugins with 10,000+ installs and this tag | Rank by installs | Median days since release |
|---|---|---|---|
| captcha | 22 | 2 | 15 |
Rank 1 has the highest installation band among plugins with 10,000+ installs and this tag; equal bands share a rank.
Class of 2009
Really Simple CAPTCHA has been listed since 10 Mar 2009. Of the 79 plugins with 10,000+ installs added in 2009, 84.8% released within the 365 days before the reference date.
Same group, shared tags
Not a recommendation; the same figures for comparison. Alphabetical.
| Plugin | Active installs | Last release | Rating |
|---|---|---|---|
| Advanced Google reCAPTCHA | 200,000 to 299,999 | 13 days before the reference date | 4.8 (430) |
| CAPTCHA 4WP | 100,000 to 199,999 | 3 days before the reference date | 3.2 (269) |
| Captcha Code | 100,000 to 199,999 | 12 days before the reference date | 3.9 (35) |
| CF7 Apps | 300,000 to 399,999 | 22 days before the reference date | 3.8 (135) |
| Gravity Forms Zero Spam | 100,000 to 199,999 | 14 days before the reference date | 4.3 (24) |
| Login Lockdown & Protection | 100,000 to 199,999 | 12 days before the reference date | 4.3 (60) |
| LukasApps CAPTCHA tools for Contact Form 7 | 100,000 to 199,999 | 24 days before the reference date | 4.1 (48) |
| reCaptcha by BestWebSoft | 100,000 to 199,999 | 126 days before the reference date | 3.9 (391) |
Do you maintain Really Simple CAPTCHA?
If you maintain Really Simple CAPTCHA, you can link to this profile, for example from your readme or your website. Both snippets show this badge:
HTML
<a href="https://hafenstudios.com/en/census/plugins/really-simple-captcha/"><img src="https://hafenstudios.com/census/plugins/badge-en.svg" alt="Really Simple CAPTCHA in the Plugin Directory Census 01/2026" width="220" height="40"></a>
Markdown
[](https://hafenstudios.com/en/census/plugins/really-simple-captcha/)
The image is loaded from hafenstudios.com; as with every request, our server records the usual access data, which is deleted after 14 days. If you prefer not to, use a plain text link.
A value is wrong? Write to moin@hafenstudios.com; a documented correction leads to a new version.
How to cite
hafenstudios (2026): Really Simple CAPTCHA, profile in the Plugin Directory Census 01/2026, reference date 28 Aug 2026. https://hafenstudios.com/en/census/plugins/really-simple-captcha/
Source and status
All values come from the full pull of the public wordpress.org API on 28 Aug 2026 (reference time 21:56:30 UTC). The analysis and text on this page are available under CC BY 4.0; the raw values come from the public wordpress.org API and are in the raw data. How the count was made is set out in the method, what the fields do not say under limits. hafenstudios builds WordPress plugins itself, see the conflict of interest. Corrections to moin@hafenstudios.com; a documented correction leads to a new version. From issue 02 this page will also show the change since the previous reference date. Collected and prepared by Horst Wenzel.
Plugin names and trademarks belong to their owners. hafenstudios is not affiliated with the authors named here.
