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Similar WordPress plugins

Kowalski Smart Shield alternatives

The 12 WordPress plugins most like Kowalski Smart Shield, by the tags they share, the most in common first. Installs, ratings and updates come from WordPress.org and refresh every night.

Kowalski Smart Shield

Fewer than 10 installs · #74,243 most popular

Its stats
Closest match
Spam Protection
Shares 3 of Kowalski Smart Shield's 5 tags.
Most installed
Akismet Anti-spam
5M+ active installs.
Best rated
ReCaptcha v2 for Contact Form 7
5.0 out of 5 from 89 reviews.
Most recently updated
Ninja Forms
Updated on Nov 9, 2026.
  1. 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
    12 days ago

    Sharesantispamcontact formsspam

    Compare with Kowalski Smart Shield
  2. 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

    Sharesantispamspam

    Compare with Kowalski Smart Shield
  3. 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
    11 days ago

    Sharesantispamspam

    Compare with Kowalski Smart Shield
  4. 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

    Sharesantispamsecurity

    Compare with Kowalski Smart Shield
  5. WPForms

    by Syed Balkhi

    The best WordPress contact form plugin. Drag & Drop form builder to create beautiful contact forms, payment forms, & other custom forms.

    Installs
    5M+
    Rank
    #9
    Rating
    4.8(14.4K)
    Updated
    4 days ago

    Sharesforms

    Compare with Kowalski Smart Shield
  6. Fluent Forms

    by WPManageNinja

    Get a fast contact form plugin. Create advanced forms using drag and drop form builder with all smart features.

    Installs
    800K+
    Rank
    #80
    Rating
    4.8(809)
    Updated
    7 days ago

    Sharesforms

    Compare with Kowalski Smart Shield
  7. Forminator Forms

    by WPMU DEV - Your All-in-One WordPress Platform

    Best WordPress form builder plugin. Create contact forms, payment forms & order forms with 1000+ integrations.

    Installs
    600K+
    Rank
    #99
    Rating
    4.8(2.2K)
    Updated
    7 days ago

    Sharesforms

    Compare with Kowalski Smart Shield
  8. SureForms

    by Brainstorm Force

    AI form generator and WordPress form builder for contact and Stripe payment forms, with surveys and quizzes in SureForms Business.

    Installs
    500K+
    Rank
    #119
    Rating
    4.8(104)
    Updated
    6 days ago

    Sharesforms

    Compare with Kowalski Smart Shield
  9. Ninja Forms

    by Kevin Stover

    Free WordPress form builder with calculations, signatures, star ratings, unlimited submissions stored on your site, and an AI form builder.

    Installs
    500K+
    Rank
    #114
    Rating
    4.4(1.4K)
    Updated
    today

    Sharesforms

    Compare with Kowalski Smart Shield
  10. Formidable Forms

    by Strategy11 Team

    The drag and drop WordPress form builder for contact forms, payment forms, calculators, quizzes, surveys, and AI-built web applications.

    Installs
    300K+
    Rank
    #176
    Rating
    4.8(1.4K)
    Updated
    24 days ago

    Sharesforms

    Compare with Kowalski Smart Shield
  11. Crowdsignal Forms

    by Automattic

    The Crowdsignal Forms plugin allows you to create and manage polls right from within the block editor.

    Installs
    200K+
    Rank
    #268
    Rating
    5.0(3)
    Updated
    1 month ago

    Sharesforms

    Compare with Kowalski Smart Shield
  12. ReCaptcha v2 for Contact Form 7

    by IQComputing

    Adds reCaptcha v2 from Contact Form 7 5.0.5 that was dropped on Contact Form 7 5.1

    Installs
    200K+
    Rank
    #227
    Rating
    5.0(89)
    Updated
    5 months ago

    Sharesspam

    Compare with Kowalski Smart Shield

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