Really Simple CAPTCHA vs Spam Defender – Review Captcha for WooCommerce
Two WordPress plugins head to head: ranking, active installs, downloads and ratings, from our daily tracking of the WordPress.org directory.
These aren’t all alternatives to each other — they do different jobs — so this page compares popularity only, not features.
At a glance
Really Simple CAPTCHA leads the WordPress.org popular list today at #188, ahead of Spam Defender – Review Captcha for WooCommerce at #16,964. Over the last 7 days Really Simple CAPTCHA held its place and Spam Defender – Review Captcha for WooCommerce slipped 16 places. Really Simple CAPTCHA has the largest install base, roughly 3333× the next: 300K+ active installs against 90+ for Spam Defender – Review Captcha for WooCommerce. Downloads this week: Really Simple CAPTCHA 11,997 and Spam Defender – Review Captcha for WooCommerce 22.
| Metric | Really Simple CAPTCHA | Spam Defender – Review Captcha for WooCommerce |
|---|---|---|
| Popular rank today | #188 ▬ | #16,964 ▼ 16 |
| Active installs | 300K+ | 90+ |
| Downloads, last 7 days | 11,997 | 22 |
| Rating | 4.2★ (131) | no ratings |
| Last updated | Aug 23, 2026 | May 27, 2026 |
| Current version | 2.5 | 1.2.0 |
| Best rank on record | #186 | #16,783 |
| Days in the top 50 | 0 | 0 |
| On WordPress.org since | Mar 2009 | Oct 2025 |
Highlighted cells mark the strongest figure in each row. Rank and installs are from the latest WordPress.org capture; downloads are the last seven captured days.
Ranking history Lower is better
Active installs
Downloads per day
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- Spam Defender – Review Captcha for WooCommerce vs Gravity Forms Zero Spam
Frequently asked questions
Which is more popular, Really Simple CAPTCHA or Spam Defender – Review Captcha for WooCommerce?
By active installs, Really Simple CAPTCHA: 300K+ sites run it against 90+ for Spam Defender – Review Captcha for WooCommerce, according to WordPress.org figures captured on October 29, 2026.
Which ranks higher on WordPress.org, Really Simple CAPTCHA or Spam Defender – Review Captcha for WooCommerce?
Really Simple CAPTCHA, at #188 on the WordPress.org popular plugins list today, with Spam Defender – Review Captcha for WooCommerce at #16,964. The ranking reflects recent installs and moves daily, which is why this page shows the history rather than one snapshot.
Are Really Simple CAPTCHA or Spam Defender – Review Captcha for WooCommerce alternatives to each other?
Not all of them. Some of these plugins do different jobs and many sites run more than one. This page compares their popularity, not their features.
Where do these numbers come from?
WordPress.org publishes each plugin’s active install count and its position on the popular list. This site records both every day, along with per-day downloads and ratings, so the charts above show how the plugins have moved over time rather than a single day.