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Similar WordPress plugins

Mathlock Guard alternatives

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

Mathlock Guard

10+ installs · #44,479 most popular

Its stats
Closest match
DS CF7 Math Captcha
Shares 2 of Mathlock Guard's 5 tags.
Most installed
Really Simple CAPTCHA
300K+ active installs.
Best rated
Gravity Forms No CAPTCHA reCAPTCHA
4.8 out of 5 from 26 reviews.
Most recently updated
WPBruiser Security
Updated on Nov 7, 2026.
  1. DS CF7 Math Captcha

    by Dotsquares

    "DS CF7 Math Captcha" is a math captcha with refresh captcha functionality to prevent unwanted spam for your contact form 7 plugin.

    Installs
    9K+
    Rank
    #2,156
    Rating
    5.0(8)
    Updated
    4 months ago

    Sharescaptchamath captcha

    Compare with Mathlock Guard
  2. Math Captcha for Elementor Forms

    by albanotoska

    Wordpress Plugin that will add a simple match captcha to your Elementor Forms.

    Installs
    3K+
    Rank
    #4,043
    Rating
    4.0(13)
    Updated
    5 years ago

    Sharescaptchamath captcha

    Compare with Mathlock Guard
  3. SKP WP Admin Login Captcha

    by Sandeep Kumar

    Add Google or Mathematical captcha on wordpress login page

    Installs
    900+
    Rank
    #6,990
    Rating
    5.0(1)
    Updated
    1 year ago

    Sharescaptchamath captcha

    Compare with Mathlock Guard
  4. Really Simple CAPTCHA

    by Rock Lobster Inc.

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

    Installs
    300K+
    Rank
    #188
    Rating
    4.2(131)
    Updated
    2 months ago

    Sharescaptcha

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  5. Simple CAPTCHA with Cloudflare Turnstile

    by Elliot Sowersby / RelyWP

    Add Cloudflare Turnstile to WordPress, WooCommerce, Contact Forms & more. The user-friendly, privacy-preserving reCAPTCHA alternative. 100% free!

    Installs
    200K+
    Rank
    #234
    Rating
    4.7(263)
    Updated
    8 days ago

    Sharescaptcha

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  6. LukasApps CAPTCHA tools for Contact Form 7

    by LukasApps

    Protect Contact Form 7 forms from spam with Google reCAPTCHA v2, reCAPTCHA v3, hCaptcha or Cloudflare Turnstile.

    Installs
    100K+
    Rank
    #456
    Rating
    4.1(48)
    Updated
    1 month ago

    Sharescaptcha

    Compare with Mathlock Guard
  7. Captcha Code

    by WebFactory

    GDPR compatible captcha anti-spam protection for login form, comments form, registration form & lost password form. Eliminate spam with captcha.

    Installs
    100K+
    Rank
    #444
    Rating
    3.9(35)
    Updated
    1 month ago

    Sharescaptcha

    Compare with Mathlock Guard
  8. CAPTCHA 4WP

    by WPKube

    Use CAPTCHA to stop spam and allow customers & users to interact with your website easily. Block fake accounts and orders. Avoid false positives.

    Installs
    100K+
    Rank
    #437
    Rating
    3.2(269)
    Updated
    2 months ago

    Sharescaptcha

    Compare with Mathlock Guard
  9. Image CAPTCHA for Contact Form 7 and WPForms by HookAndHook (DSGVO/GDPR)

    by hookandhook

    Adds an Image CAPTCHA to Contact Form 7 and WPForms, GDPR ready, perfect WPForms or Contact Form 7 Spam Protection Image CAPTCHA, adds a honeypot

    Installs
    70K+
    Rank
    #561
    Rating
    4.7(49)
    Updated
    2 months ago

    Sharescaptcha

    Compare with Mathlock Guard
  10. 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
    1 day ago

    Sharescaptcha

    Compare with Mathlock Guard
  11. 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
    19 days ago

    Sharescaptcha

    Compare with Mathlock Guard
  12. Gravity Forms No CAPTCHA reCAPTCHA

    by folkhack

    Adds "No CAPTCHA reCAPTCHA" field to Gravity Forms as an alternative CAPTCHA option

    Installs
    10K+
    Rank
    #2,154
    Rating
    4.8(26)
    Updated
    9 years ago

    Sharescaptcha

    Compare with Mathlock Guard

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