Apply a simple mathematical captcha to specific buttons by providing their CSS class or ID to prevent spamming.
Alternatives to Math Captcha for Gravity 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.
Lightweight, self-hosted captcha field for Fluent Forms — image, math and question/answer challenges. No external services, no tracking.
A lightweight math CAPTCHA and spam protection plugin for WordPress login, WooCommerce, and Contact Form 7 forms.
A lightweight plugin to enable Cloudflare's Turnstile alternative CAPTCHA on your Gravity Forms.
OTP (One Time Password) Email Verification for Gravity Forms. Verify or authenticate your users. It’s also great way to avoid spam.
Mathlock Guardv2.0
Protects your site with a lightweight math CAPTCHA, requiring visitors to solve a simple question before accessing your content.
Reycob Form Firewallv1.3.9
Protects public WordPress forms, login, registration, comments, and WooCommerce product reviews with a local CAPTCHA and rate limits.
Image CAPTCHA, honeypot and accessibility spam blocking for Gravity Forms, CF7, WPForms, Formidable, Elementor, WooCommerce, comments, and login.
Keep spam bots and hand-typed sales pitches out of Contact Form 7 (CF7) and Gravity Forms. By default, uncertain messages still reach you.
Dlit Easy Math Captchav1.5.2
A simple math captcha plugin for comments, login, registration, WooCommerce reviews, and Contact Form 7.