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Really Simple CAPTCHA

v2.5

by Rock Lobster Inc. · updated 2 months ago

Really Simple CAPTCHA is a CAPTCHA module intended to be called from other plugins. It is originally created for my Contact Form 7 plugin.

captcha
WordPress.org SaveAnalyze reviews Track this plugin
Rank
#188
No change0 vs yesterday
Active installs (est.)
≈ 330,000
300K+ reported · Low
Total downloads
9.5M
9,488,410 all-time
Rating
4.2/5
131 reviews
Support resolved
100%
1 of 1 threads, last 2 months
Declining·Downloads -7.4% (30d)·Toward 200K+ · ETA ~5mo

Really Simple CAPTCHA at a glance

Really Simple CAPTCHA is a WordPress plugin by Rock Lobster Inc. with 300K+ active installs, the #188 most popular plugin on WordPress.org. On a typical day it’s downloaded about 1,011 times, 7% fewer than the month before. It’s rated 4.2 out of 5 from 131 reviews. Version 2.5 came out on Aug 23, 2026 and is tested up to WordPress 7.1.4. Among the 291 plugins tagged “captcha”, it ranks #3. It was first released in 2009.

Chart time range

Applies to every chart below. History from Oct 9, 2026, 31 days.

Showing the last 30 days. Full history comes with any paid plan.See plans

Downloads over time

Download stats

32.5K downloads · the last 30 days

Downloads over time
Really Simple CAPTCHA Compare series
Downloads over time: 30 days across 1 series.1K2K3KOct 9Oct 14Oct 19Oct 24Oct 28Nov 2Nov 7Oct 29, 2026: Tested up to 7.1.4
View as table
DateReally Simple CAPTCHA
Nov 7, 2026451
Nov 6, 2026750
Nov 5, 2026890
Nov 4, 2026873
Nov 3, 20261,746
Nov 2, 20261,086
Nov 1, 2026642
Oct 31, 2026518
Oct 30, 20261,869
Oct 29, 20261,324
Oct 28, 20261,276
Oct 27, 20261,197
Oct 26, 20261,476
Oct 25, 2026936
Oct 24, 2026994
Oct 23, 20262,403
Oct 22, 20263,715
Oct 21, 20262,249
Oct 20, 2026791
Oct 19, 2026807
Oct 18, 2026453
Oct 17, 2026362
Oct 16, 2026681
Oct 15, 2026803
Oct 14, 2026739
Oct 13, 2026919
Oct 12, 2026835
Oct 11, 2026518
Oct 10, 2026453
Oct 9, 2026734

Unusual spikes are usually updates, not new installs.

Estimated installs

≈ 330,744 · -0.6% in the last 30 days

Estimated installs
Estimated installs: 30 days across 2 series.328K330K332KOct 9Oct 14Oct 19Oct 24Oct 29Nov 3Nov 8Oct 29, 2026: Tested up to 7.1.4
View as table
DateApproximate, from band changesEstimated installs
Nov 8, 2026–330,744
Nov 7, 2026–329,719
Nov 5, 2026–329,549
Nov 4, 2026–329,386
Nov 3, 2026–326,696
Nov 2, 2026–327,081
Nov 1, 2026–328,154
Oct 31, 2026–328,840
Oct 30, 2026–328,154
Oct 29, 2026–328,973
Oct 28, 2026–329,486
Oct 27, 2026329,458329,458
Oct 26, 2026329,635–
Oct 25, 2026329,812–
Oct 24, 2026329,990–
Oct 23, 2026330,167–
Oct 22, 2026330,344–
Oct 21, 2026330,521–
Oct 20, 2026330,699–
Oct 19, 2026330,876–
Oct 18, 2026331,053–
Oct 17, 2026331,230–
Oct 16, 2026331,407–
Oct 15, 2026331,585–
Oct 14, 2026331,762–
Oct 13, 2026331,939–
Oct 12, 2026332,116–
Oct 11, 2026332,294–
Oct 10, 2026332,471–
Oct 9, 2026332,648–

Rank over time

#188

Popular rank
Popular rank: 16 days across 1 series.#180#190Oct 16Oct 19Oct 27Oct 31Nov 4Nov 8Oct 29, 2026: Tested up to 7.1.4
View as table
DateDaily snapshot
Nov 8, 2026#188
Nov 7, 2026#188
Nov 6, 2026#188
Nov 5, 2026#188
Nov 4, 2026#188
Nov 3, 2026#188
Nov 2, 2026#188
Nov 1, 2026#188
Oct 31, 2026#188
Oct 30, 2026#188
Oct 29, 2026#188
Oct 28, 2026#188
Oct 27, 2026#188
Oct 21, 2026#188
Oct 19, 2026#188
Oct 16, 2026#188

Growth %

Average -0.02% a day in the last 30 days

Growth %, day over day
Growth %, day over day: 29 days across 2 series.-0.5%0%0.5%Oct 10Oct 15Oct 20Oct 24Oct 29Nov 3Nov 8
View as table
DateApproximate, from band changesGrowth
Nov 8, 2026–+0.31%
Nov 7, 2026–+0.03%
Nov 5, 2026–+0.05%
Nov 4, 2026–+0.82%
Nov 3, 2026–-0.12%
Nov 2, 2026–-0.33%
Nov 1, 2026–-0.21%
Oct 31, 2026–+0.21%
Oct 30, 2026–-0.25%
Oct 29, 2026–-0.16%
Oct 28, 2026–+0.01%
Oct 27, 2026-0.05%–
Oct 26, 2026-0.05%–
Oct 25, 2026-0.05%–
Oct 24, 2026-0.05%–
Oct 23, 2026-0.05%–
Oct 22, 2026-0.05%–
Oct 21, 2026-0.05%–
Oct 20, 2026-0.05%–
Oct 19, 2026-0.05%–
Oct 18, 2026-0.05%–
Oct 17, 2026-0.05%–
Oct 16, 2026-0.05%–
Oct 15, 2026-0.05%–
Oct 14, 2026-0.05%–
Oct 13, 2026-0.05%–
Oct 12, 2026-0.05%–
Oct 11, 2026-0.05%–
Oct 10, 2026-0.05%–

Active installs band

300K+ on WordPress.org

Active installs (rounded band)
Active installs (rounded band): 16 days across 1 series.290K300K310KOct 16Oct 19Oct 27Oct 31Nov 4Nov 8Oct 29, 2026: Tested up to 7.1.4
View as table
DateDaily snapshot
Nov 8, 2026300K+
Nov 7, 2026300K+
Nov 6, 2026300K+
Nov 5, 2026300K+
Nov 4, 2026300K+
Nov 3, 2026300K+
Nov 2, 2026300K+
Nov 1, 2026300K+
Oct 31, 2026300K+
Oct 30, 2026300K+
Oct 29, 2026300K+
Oct 28, 2026300K+
Oct 27, 2026300K+
Oct 21, 2026300K+
Oct 19, 2026300K+
Oct 16, 2026300K+

Search rankings

Where it appears in WordPress.org search for the searches you track, checked every day.

See where Really Simple CAPTCHA ranks in search

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Change log

From our daily snapshot of WordPress.org
  1. Rank #188 → #188Downloads -9.5%
    • Tested up to 7.1.3 → 7.1.4

Versions in use

Share of active installs on each published version, from WordPress.org.

  • v2.434%
  • v2.521%
  • v2.014%
  • v2.111%
  • Other21%

Rating trend

4.2★★★★★131 reviews · steady in the last 30 days

Requirements & info

Version history
Version
2.5
Requires WordPress
7.1
Tested up to
7.1.4
Requires PHP
8.3
First released
Mar 10, 2009
Last updated
Aug 23, 2026
Releases, last 12 months
…

Questions about Really Simple CAPTCHA

How many websites use Really Simple CAPTCHA?

Really Simple CAPTCHA is active on 300K+ WordPress sites, as WordPress.org reports it. WordPress.org rounds the number down, so the real count is somewhat higher. That makes it the #188 most popular plugin on WordPress.org.

How many times has Really Simple CAPTCHA been downloaded?

9,488,410 times in total since 2009. On a typical day it’s downloaded about 1,011 times. See download stats

When was Really Simple CAPTCHA last updated?

Version 2.5 came out on Aug 23, 2026 (2 months ago). See every release

Is Really Simple CAPTCHA compatible with the latest WordPress?

Yes. It’s tested up to WordPress 7.1.4, the current version.

Does Really Simple CAPTCHA have known security vulnerabilities?

No. WPVulnerability’s database lists no known vulnerabilities for Really Simple CAPTCHA. See its security record

Is Really Simple CAPTCHA still maintained?

Yes. Its last release was 2 months ago. Its authors resolved 1 of the 1 support threads opened in the last two months.

What rating does Really Simple CAPTCHA have?

4.2 out of 5 from 131 reviews on WordPress.org. 70% of them give 5 stars.

What are the best alternatives to Really Simple CAPTCHA?

The plugins most like Really Simple CAPTCHA, by the tags they share, are Simple CAPTCHA with Cloudflare Turnstile (200K+), LukasApps CAPTCHA tools for Contact Form 7 (100K+) and Captcha Code (100K+). Compare all alternatives

Latest reviews

Analyze reviews
All reviews on WordPress.org

Review stats

4.2

★★★★★

131 reviews

  • 5 stars: 92 reviews, 70%
  • 4 stars: 15 reviews, 11%
  • 3 stars: 1 reviews, 1%
  • 2 stars: 4 reviews, 3%
  • 1 stars: 19 reviews, 15%
Positive
82%4–5★
Mixed
1%3★
Critical
18%1–2★
  • About 9 more 5★ reviews would lift it to 4.3.
  • Each new 1★ review takes 4 five-star reviews to balance out.

Compare with competitors

Add up to 1 competitor. No account needed.

Starter · 1 competitor
Really Simple CAPTCHA
Suggested:
Metric
Really Simple CAPTCHA
Estimated installs≈ 330,000
Reported installs300K+
Rating4.2
Reviews131
Total downloads9.5M
AuthorRock Lobster Inc.
First releasedMar 10, 2009
Version2.5
Requires WP7.1
Requires PHP8.3
Last updatedAug 23, 2026

Alternatives to Really Simple CAPTCHA

Compare all alternatives

Popular plugins with the same tags, the most in common first.

Side by side:Really Simple CAPTCHA vs Simple CAPTCHA with Cloudflare TurnstileReally Simple CAPTCHA vs LukasApps CAPTCHA tools for Contact Form 7Really Simple CAPTCHA vs Captcha Code

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