A lightweight math CAPTCHA and spam protection plugin for WordPress login, WooCommerce, and Contact Form 7 forms.
Alternatives to AI 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.
2IZI SmartCaptcha for Yandexv1.0.12
Yandex SmartCaptcha protection for WordPress, WooCommerce and Contact Form 7.
1 The Ultimate Spam Protection Plugin Using Captcha for WordPress Forms.
A lightweight plugin that protects core WordPress forms and selected third‑party plugins from spam and bot attacks using Cloudflare Turnstile CAPTCHA.
CaptchaLav1.0.0
Smart privacy-first CAPTCHA for WordPress, WooCommerce, and 14+ form plugins. Mandatory server-token anti-replay.
SecureGate Captcha Litev1.1.1
Complete site security with Cloudflare Turnstile, Math & Character CAPTCHA. High-performance protection for Login, Registration, and Comment forms.
Reycob Form Firewallv1.3.9
Protects public WordPress forms, login, registration, comments, and WooCommerce product reviews with a local CAPTCHA and rate limits.
Invisible spam protection for every form, login and checkout. No puzzles, no checkboxes, no lost visitors — a CAPTCHA your users never see.
Protect Contact Form 7, WPForms, WooCommerce, login, comments and more with Cloudflare Turnstile, reCAPTCHA, hCaptcha, or no-signup challenges.
OhmTang CFTv1.0.1
Integrate Cloudflare Turnstile CAPTCHA for WordPress & WooCommerce forms with custom error messages, each form controlled individually