Akismet vs Ninja Forms

Compare WordPress plugins and tools side by side. Pick products with “Compare” in the software directory.

Feature Akismet v5.7.2 · checked 23 Oct 2026 Free + paid · ★ 4.7/5 Visit Details Ninja Forms v3.15.6 · checked 23 Oct 2026 Free + paid · ★ 4.4/5 Visit Details
At a glance
Active installs 5M+ 500,000+
Last updated August 18, 2026 October 15, 2026
Editions Akismet Anti-spam: Spam Protection · Akismet paid plan ($) Ninja Forms · Ninja Forms extensions ($)
Pros Checks comments and contact form submissions against a shared spam database; Works with Contact Form 7 and Gravity Forms; Stats through a dashboard widget and REST endpoints Drag-and-drop builder with calculations at no cost; Submissions stored in your own WordPress database; reCAPTCHA, hCaptcha and Akismet spam protection
Cons Needs an Akismet API key from akismet.com; Commercial sites must buy a paid plan; Submitted content is sent to Akismet for checking Payments, multi-part and file uploads need paid extensions; Conditional logic availability in the free core is not confirmed; Extension licences are managed through the vendor
Mentioned in our posts 2 1
Features (Form plugins checklist)
Drag-and-drop builder — Yes
Multi-step forms — Paid
Payments — Paid
File upload — Paid
Calculations — Yes
Entries in admin — Yes
Spam protection — Yes
Free version — Yes
More features
Other features Checks comments before they are saved, Spam checks for Gravity Forms and Contact Form 7 submissions, Scheduled deletion of old spam and orphaned comment meta, Block statistics dashboard widget, REST endpoints for key, settings and stats, Webhook endpoint for Akismet account updates, Stats ability for the WordPress Abilities API Drag-and-drop form builder, Submissions stored in the WordPress database, reCAPTCHA and Akismet spam checks, Payment gateway framework for paid extensions ($), Extension licence activation ($), Multi-part forms extension ($)
Integrations
Payment — PayPal and Stripe gateways ($)
Plugins Contact Form 7, Gravity Forms, Jetpack —
Other Akismet Google reCAPTCHA, hCaptcha, Akismet
Requires WordPress 5.8 6.9
Requires PHP 7.2 7.4
Tested up to 7.1 7.1
Phones home No Only if you agree
External services rest.akismet.com api.ninjaforms.com, my.ninjaforms.com
Blocks — 2
Shortcodes — 4