Stop comment spam, fake registrations and form bots with invisible behavioral verification — no puzzles, no checkboxes, zero PII.
Alternatives to WP Simple Captcha
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.
Apply a simple mathematical captcha to specific buttons by providing their CSS class or ID to prevent spamming.
QWeb Spam Shieldv1.1.0
Stop spam on every form, comment, review, signup and WooCommerce checkout, with no CAPTCHA and no external calls. Card-testing defense built in.
Math CAPTCHA for CF7, WPForms, and any HTML form. Zero config — install, add shortcode or use auto inject from settings.
"DS CF7 Math Captcha" is a math captcha with refresh captcha functionality to prevent unwanted spam for your contact form 7 plugin.
Export, import, and migrate Contact Form 7 forms. Store entries and protect forms with Captcha Shield (reCAPTCHA + Math Captcha).
A lightweight math CAPTCHA and spam protection plugin for WordPress login, WooCommerce, and Contact Form 7 forms.
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.
Stop spam and bots across WordPress, WooCommerce, WPForms, Contact Form 7, and more with Google reCAPTCHA or Cloudflare Turnstile.
A lightweight, server-side math CAPTCHA for Gravity Forms. No JavaScript, no external services, no tracking.