A lightweight, server-side math CAPTCHA for Gravity Forms. No JavaScript, no external services, no tracking.
Alternatives to Custom Captcha Field for Fluent Forms
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.
Mathlock Guardv2.0
Protects your site with a lightweight math CAPTCHA, requiring visitors to solve a simple question before accessing your content.
A lightweight math CAPTCHA and spam protection plugin for WordPress login, WooCommerce, and Contact Form 7 forms.
Dlit Easy Math Captchav1.5.2
A simple math captcha plugin for comments, login, registration, WooCommerce reviews, and Contact Form 7.
Apply a simple mathematical captcha to specific buttons by providing their CSS class or ID to prevent spamming.
1 The Ultimate Spam Protection Plugin Using Captcha for WordPress Forms.
SecureGate Captcha Litev1.1.1
Complete site security with Cloudflare Turnstile, Math & Character CAPTCHA. High-performance protection for Login, Registration, and Comment forms.
Mailster Cool Captchav1.4.0
Add a self-hosted image captcha to Mailster newsletter signup forms—block bot subscriptions without Google API keys.
Adds a simple math question to every Elementor form automatically. Lightweight, cache friendly and with no third-party service.
Prosopo Procaptchav1.24.1
Free, GDPR-compliant CAPTCHA that stops spam bots on WordPress core forms and 21 form plugins, page builders and themes.