Protect Contact Form 7 forms from spam with Google reCAPTCHA v2, reCAPTCHA v3, hCaptcha or Cloudflare Turnstile.
Alternatives to Mailster hCaptcha
Plugins below are selected for functional relevance and current directory signals. Active-install counts do not affect this ranking.
Relevant replacements
WordPress plugins with similar use cases
Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.
Free CAPTCHA for every form. Invisible anti-spam plus reCAPTCHA, hCaptcha, Turnstile or 5 built-in CAPTCHAs for Contact Form 7, WooCommerce, comments.
Mailster reCaptchav2.0.2
Protect Mailster newsletter signup forms from spam with Google reCAPTCHA v3.
hCaptcha for WPv5.5.0
The strongest CAPTCHA. Switch from reCAPTCHA and Turnstile for free. Works with 60+ integrations: Contact Form 7, Elementor, WooCommerce, Divi, etc.
Veekay Captcha Shieldv1.0.0
Protect selected WordPress and WooCommerce forms with Cloudflare Turnstile, Google reCAPTCHA Enterprise, or hCaptcha.
Power Captcha reCAPTCHAv1.2.0
Protect WordPress/WooCommerce/Contact Form 7 forms from spam, brute-force attacks, fake comments, accounts, or registrations with Google reCAPTCHA.
Use CAPTCHA to stop spam and allow customers & users to interact with your website easily. Block fake accounts and orders. Avoid false positives.
Anti-spam CAPTCHA plugin for Contact Form 7. Block bots using Cloudflare Turnstile, Google reCAPTCHA, and built-in Arithmetic CAPTCHA challenges.
Captcha Codev3.33
GDPR compatible captcha anti-spam protection for login form, comments form, registration form & lost password form. Eliminate spam with captcha.
See why your contact form refused a message: captcha key errors, missing captcha answers, failed e-mails, this month's checks and a 30-day copy.