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Similar WordPress plugins

Captcha Spam Blocker alternatives

The 12 WordPress plugins most like Captcha Spam Blocker, by the tags they share, the most in common first. Installs, ratings and updates come from WordPress.org and refresh every night.

Captcha Spam Blocker

80+ installs · #17,751 most popular

Its stats
Closest match
Titan Anti-spam & Security
Shares 3 of Captcha Spam Blocker's 4 tags.
Most installed
Wordfence Security
5M+ active installs.
Best rated
Really Simple Security
4.9 out of 5 from 8,871 reviews.
Most recently updated
Wordfence Security
Updated on Nov 9, 2026.
  1. Titan Anti-spam & Security

    by Themeisle

    Block spam comments, defend against login attacks, strengthen site security. Anti-spam, brute-force protection & two-factor authentication built in.

    Installs
    50K+
    Rank
    #725
    Rating
    4.5(370)
    Updated
    11 days ago

    Sharesantispamsecurityspam protection

    Compare with Captcha Spam Blocker
  2. WPBruiser Security

    by WPZOOM

    Security and anti-spam without CAPTCHA. Blocks bots on forms, comments and logins, limits login attempts and hardens WordPress. No outside service.

    Installs
    10K+
    Rank
    #1,790
    Rating
    4.6(213)
    Updated
    2 days ago

    Sharescaptchasecurity

    Compare with Captcha Spam Blocker
  3. Friendly Captcha for WordPress

    by Friendly Captcha

    Friendly Captcha is a privacy-first anti-bot solution that protects WordPress website forms from spam and abuse.

    Installs
    10K+
    Rank
    #2,141
    Rating
    3.9(18)
    Updated
    20 days ago

    Sharesantispamcaptcha

    Compare with Captcha Spam Blocker
  4. Login Security Captcha

    by ScriptsTown

    Secure WordPress login, registration, and comment form with Google reCAPTCHA or Cloudflare Turnstile. Prevent Brute-force attacks and more.

    Installs
    10K+
    Rank
    #2,094
    Rating
    4.9(20)
    Updated
    1 month ago

    Sharescaptchasecurity

    Compare with Captcha Spam Blocker
  5. Wordfence Security

    by Mark Maunder

    Firewall, Malware Scanner, Two Factor Auth, and Comprehensive Security Features, powered by our 24-hour team. Make security a priority with Wordfence.

    Installs
    5M+
    Rank
    #11
    Rating
    4.7(5K)
    Updated
    today

    Sharessecurity

    Compare with Captcha Spam Blocker
  6. Akismet Anti-spam

    by Automattic

    The best anti-spam protection to block spam comments and spam in a contact form. The most trusted antispam solution for WordPress and WooCommerce.

    Installs
    5M+
    Rank
    #8
    Rating
    4.7(1.2K)
    Updated
    2 months ago

    Sharesantispam

    Compare with Captcha Spam Blocker
  7. Jetpack

    by Automattic

    Connect ChatGPT, Claude, or another AI agent to your site. Plus backup, malware scan, firewall, stats, CDN, and SEO tools in one plugin.

    Installs
    3M+
    Rank
    #17
    Rating
    3.7(2.4K)
    Updated
    6 days ago

    Sharessecurity

    Compare with Captcha Spam Blocker
  8. Really Simple Security

    by Really Simple Plugins

    Easily improve site security with WordPress Hardening, Two-Factor Authentication (2FA), Login Protection, Vulnerability Detection and SSL certificate.

    Installs
    3M+
    Rank
    #18
    Rating
    4.9(8.9K)
    Updated
    14 days ago

    Sharessecurity

    Compare with Captcha Spam Blocker
  9. All-In-One Security (AIOS)

    by David Anderson / Team Updraft

    Protect your WordPress site with All-In-One Security (AIOS): easy-to-use login security, a powerful firewall, and much more.

    Installs
    1M+
    Rank
    #56
    Rating
    4.7(1.7K)
    Updated
    10 days ago

    Sharessecurity

    Compare with Captcha Spam Blocker
  10. Security Optimizer

    by SiteGround

    Secure your WordPress site from brute-force attacks, threats, malware, and bots. Free to use and easy to set up.

    Installs
    1M+
    Rank
    #51
    Rating
    4.5(158)
    Updated
    5 days ago

    Sharessecurity

    Compare with Captcha Spam Blocker
  11. Limit Login Attempts Security

    by WPChef

    Limit login attempts and stop brute force attacks. WordPress security with 2FA, firewall, bot protection, IP blocking, and secure login monitoring.

    Installs
    1M+
    Rank
    #34
    Rating
    4.8(1.5K)
    Updated
    3 days ago

    Sharessecurity

    Compare with Captcha Spam Blocker
  12. Kadence Security

    by Nexcess

    Harden your site security with Login Security, Two-Factor Authentication (2FA), Vulnerability Scanner, Firewall, and more. Formerly iThemes Security.

    Installs
    700K+
    Rank
    #88
    Rating
    4.6(4K)
    Updated
    26 days ago

    Sharessecurity

    Compare with Captcha Spam Blocker

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