A lightweight math CAPTCHA and spam protection plugin for WordPress login, WooCommerce, and Contact Form 7 forms.
Alternatives to Mathlock Guard
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.
Shed Turnstilev1.1.2
Centralized Cloudflare Turnstile management with a shared API for other plugins.
Privacy-first, Proof of Work captcha for WordPress. No image puzzles, no tracking. 22+ integrations included.
Dlit Easy Math Captchav1.5.2
A simple math captcha plugin for comments, login, registration, WooCommerce reviews, and Contact Form 7.
A CAPTCHA alternative with no puzzle. Stops fake signups, spam registrations, form spam and card-testing bots, plus VPN, proxy and Tor traffic.
Replace CAPTCHAs with bank-verified human identity. One-click verification. Users verify once, trusted everywhere.
Checkout Origin Guardv1.8.0
One-page WooCommerce checkout hardening; bot blocking, rate/sequence checks, business/email heuristics, and optional AVS-based risk signals.
CaptchaKitv1.0.1
Replace boring CAPTCHAs with fun 10-second mini-games. Bot protection that doesn't frustrate real users.
Math CAPTCHA for CF7, WPForms, and any HTML form. Zero config — install, add shortcode or use auto inject from settings.
CaptchaLav1.0.0
Smart privacy-first CAPTCHA for WordPress, WooCommerce, and 14+ form plugins. Mandatory server-token anti-replay.