A lightweight math CAPTCHA and spam protection plugin for WordPress login, WooCommerce, and Contact Form 7 forms.
Alternatives to Simple Login 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.
Redeyed Sentinelv1.0.7
Free CAPTCHA and IP-reputation for WordPress login, registration, lost-password and comments, with a block log. Inert until your keys are set.
Reycob Form Firewallv1.3.9
Protects public WordPress forms, login, registration, comments, and WooCommerce product reviews with a local CAPTCHA and rate limits.
Self-hosted image CAPTCHA and silent honeypot for Login, Registration, Lost Password, and Comments forms. No API keys, no external services.
SecureGate Captcha Litev1.1.1
Complete site security with Cloudflare Turnstile, Math & Character CAPTCHA. High-performance protection for Login, Registration, and Comment forms.
Protect your WordPress login page with a fun 3×3 puzzle. Users must solve it before they can log in.
Kaya Login Captchav1.1.0
Protects the WordPress login, registration and lost-password forms with a simple captcha. No third-party APIs, services or dependencies required.
Protect your WordPress login and admin area using Cloudflare Turnstile, a modern CAPTCHA alternative.
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.
Adds reCAPTCHA verification to WooCommerce checkout, login, registration, and password reset forms to prevent spam and bot transactions.