Similar WordPress plugins
WPMU Block Spam By Math alternatives
The 12 WordPress plugins most like WPMU Block Spam By Math, by the tags they share, the most in common first. Installs, ratings and updates come from WordPress.org and refresh every night.
WPMU Block Spam By Math
10+ installs · #45,654 most popular
- Compare with WPMU Block Spam By Math
Zero Spam for WordPress
by Highfivery Studio
Free anti-spam for WordPress comments, logins, registrations and forms. No captchas, no moderation queue. Blocks bots before they post.
- Installs
- 20K+
- Rank
- #1,201
- Rating
- 4.1(143)
- Updated
- 6 days ago
- Compare with WPMU Block Spam By Math

Akismet Anti-spam
by Automattic
The best anti-spam protection to block spam comments and spam in a contact form. The most trusted antispam solution for WordPress and WooCommerce.
- Installs
- 5M+
- Rank
- #8
- Rating
- 4.7(1.2K)
- Updated
- 2 months ago
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Anti-Spam, Spam FireWall by CleanTalk
by CleanTalk Inc
Advanced antispam for comments, registrations & contact forms. No CAPTCHA, plus email validation and honeypot. We catch spam others miss!
- Installs
- 200K+
- Rank
- #239
- Rating
- 4.8(3.2K)
- Updated
- 12 days ago
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Gravity Forms Zero Spam
by GravityKit
Block form spam in Gravity Forms with an invisible token check, email rejection rules, and optional AI review. No CAPTCHAs for your visitors.
- Installs
- 100K+
- Rank
- #453
- Rating
- 4.3(24)
- Updated
- 2 months ago
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Spam Protection
by yonifre
Blocks spam the moment you activate it. No CAPTCHA, no setup, no API key. Multi-Layer. Just install and forget.
- Installs
- 30K+
- Rank
- #990
- Rating
- 4.7(87)
- Updated
- 13 days ago
- Compare with WPMU Block Spam By Math
WPBruiser Security
by WPZOOM
Security and anti-spam without CAPTCHA. Blocks bots on forms, comments and logins, limits login attempts and hardens WordPress. No outside service.
- Installs
- 10K+
- Rank
- #1,788
- Rating
- 4.6(213)
- Updated
- 3 days ago
- Compare with WPMU Block Spam By Math

- Compare with WPMU Block Spam By Math

Titan Anti-spam & Security
by Themeisle
Block spam comments, defend against login attacks, strengthen site security. Anti-spam, brute-force protection & two-factor authentication built in.
- Installs
- 50K+
- Rank
- #725
- Rating
- 4.5(370)
- Updated
- 12 days ago
Sharessecurity
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Shield Security
by Paul
Smart WordPress security that blocks bots automatically, guides you to what matters, and repairs problems — without drowning you in noise.
- Installs
- 30K+
- Rank
- #938
- Rating
- 4.8(1K)
- Updated
- 13 days ago
Sharessecurity
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Captcha by BestWebSoft
by bestwebsoft
1 The Ultimate Spam Protection Plugin Using Captcha for WordPress Forms.
- Installs
- 10K+
- Rank
- #1,988
- Rating
- 4.1(21)
- Updated
- 5 days ago
Sharessecurity
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ActiveLayer Anti-Spam
by Syed Balkhi
Intelligent spam protection for WordPress forms, comments, and reviews. No CAPTCHA needed. Works with WPForms, Contact Form 7, WooCommerce, and more.
- Installs
- 10K+
- Rank
- #1,850
- Rating
- 4.9(10)
- Updated
- 1 day ago
Sharesanti-spam
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Sucuri Security
by Sucuri
The Sucuri WordPress Security plugin is a security toolset for security integrity monitoring, malware detection and security hardening.
- Installs
- 600K+
- Rank
- #106
- Rating
- 4.2(386)
- Updated
- 27 days ago
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