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  7. Math Captcha for Contact Form 7

Math Captcha for Contact Form 7

A powerful, lightweight, and smart Math Captcha solution to block spam from Contact Form 7, WP Login, WooCommerce, and Tutor LMS forms.

200+ active installs
5.0
(3 ratings)
Free on WordPress.org
View on WordPress.orgSupport forum
Will this break my store?

What the WordPress.org registry says about keeping Math Captcha for Contact Form 7 running.

WordPress compatibility
Tested to 6.9.5 — 1 branch behind 7.0
Tested against the WordPress branch in use today.
Last updated
4 months ago
At least 3.6 releases a year since launch. WordPress.org only lists versions still available for download, so the real number may be higher.
Requires PHP
7.4
Your host must be running at least this version.
Requires WordPress
5.8
Contributors
1
A single maintainer. Worth knowing if the plugin is load-bearing for your store.
200+ active installsWordPress.org reports installs in bands, not exact counts.
Maintenance & trust

Scored on how Math Captcha for Contact Form 7 is looked after — not on how many stores run it.

88

out of 100
SolidSome ratings or support history.
Maintenance
35 / 35
Updated 133 days ago.
WordPress compatibility
14 / 20
Tested to WP 6.9.5, 1 branch(es) behind.
Support responsiveness
Not enough data
Only 0 support thread(s) — not enough to judge.
Merchant satisfaction
11 / 15
5.0/5 across 3 rating(s).
Listing transparency
10 / 10
Provides: screenshots, description, homepage
1 of 5 measures had too little evidence to score. They are left out of the total rather than counted as zero — otherwise a plugin would be marked down for being small rather than for being poorly kept.Measured 2026-08-01 from the WordPress.org plugin registry.
Ratings

5.0

3 ratings
5★3
4★0
3★0
2★0
1★0
Every rating WordPress.org holds for this plugin, not a sample. Written reviews live in the plugin's WordPress.org reviews forum.

Math Captcha for Contact Form 7 is the ultimate lightweight security solution for your WordPress site. Stop spam submissions and bot registrations instantly without using heavy scripts like Google reCAPTCHA.

This plugin is no longer just for Contact Form 7! It has evolved into a complete security suite that protects your most critical forms, including WordPress Login, WooCommerce, and Tutor LMS.

🛡️ Key Features

  • Smart Math Logic: Choose from Addition (+), Subtraction (-), Multiplication (×), or Mixed (Random) challenges.
  • Dynamic Difficulty: Set difficulty levels (Easy, Medium, Hard) to balance security and user experience.
  • Smart IP Blocking: Automatically lock out IP addresses after too many failed attempts to prevent brute-force attacks.
  • WP Login Protection: Secure your default WordPress Admin Login page.
  • WooCommerce Integration: Protect WooCommerce Login and Registration forms from fake customer accounts.
  • Tutor LMS Support: ideal for course sites! Stop spam student registrations and logins.
  • User Experience: Option to hide captcha for logged-in users (Admins/Members).
  • Customizable Messages: Change the error message to match your site’s tone.
  • Lightweight & Fast: No external API calls, tracking scripts, or cookies. 100% GDPR compliant.

How do I add it to Contact Form 7?

Just add the shortcode [mathcaptcha] to your form template.

Does it work with WooCommerce?

Yes! Go to Settings -> Math Captcha and enable “WooCommerce Login” or “WooCommerce Register”.

Can I block persistent bots?

Yes. The “Smart IP Blocking” feature allows you to set a maximum number of failed attempts before an IP is temporarily banned.

Categories
Security & spamForms & FAQ
Plugin details
Version1.0.5
Last updated2026-03-21 6:23am GMT
Added2025-10-02
Requires WordPress5.8
Tested up to6.9.5
Requires PHP7.4
Tags on WordPress.org
captcha
contact form 7
spam protection
Tutor LMS
woocommerce
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