Yes, Ninja Forms is free to use. It is available as a free plugin on WordPress.org.

How many websites use Ninja Forms?

Ninja Forms has 80 active installations as tracked by WordPress.org.

What are the best Ninja Forms alternatives?

Popular alternatives to Ninja Forms include MC4WP: Mailchimp for WordPress, MW WP Form, MailerLite – Signup forms (official). You can compare them side-by-side on our comparison pages.

Does Ninja Forms work with the latest WordPress?

Ninja Forms has been tested up to WordPress 4.8.28. It requires WordPress 4.8+ and PHP false+.

Ninja Forms – Submission Limit Cookie — Reviews, Rating & Alternatives (2026)

Name: Ninja Forms – Submission Limit Cookie
Rating: 5 (1 reviews)
Author: Hannes Etzelstorfer

As of April 2026, Ninja Forms is a WordPress form plugin with 80 active installations and a 5/5 rating from 1 reviews. It has been downloaded 8.9K+ times in total. Requires WordPress 4.8+ and PHP false+. Available on WordPress.org since 2017. Last updated 8 years ago — may have compatibility concerns. Top alternative: MC4WP: Mailchimp for WordPress.

5/51 reviews

80active installs

8.9K+total downloads

9 yearssince 2017

Overview

Simply limit form submissions per user

You can set a timeout for submissions per user so you can make sure a user doesn\’t submit a form too often. This is especially useful if you use NinjaForms for any kind of votings for example when you create a photo contest with Ninja Forms Multimedia Fields.