Is Ninja Forms Unique Textbox free?

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

How many websites use Ninja Forms Unique Textbox?

Ninja Forms Unique Textbox has 10 active installations as tracked by WordPress.org.

What are the best Ninja Forms Unique Textbox alternatives?

Popular alternatives to Ninja Forms Unique Textbox include WP Mail SMTP by WPForms – The Most…, MC4WP: Mailchimp for WordPress, Easy WP SMTP – WordPress SMTP and Email…. You can compare them side-by-side on our comparison pages.

Does Ninja Forms Unique Textbox work with the latest WordPress?

Ninja Forms Unique Textbox has been tested up to WordPress 3.7.41. It requires WordPress 3.0.1+ and PHP false+.

Ninja Forms Unique Textbox — Reviews, Rating & Alternatives (2026)

Name: Ninja Forms Unique Textbox
Author: Fineswap

As of April 2026, Ninja Forms Unique Textbox is a WordPress email plugin with 10 active installations and a 0/5 rating0. It has been downloaded 2.2K+ times in total. Requires WordPress 3.0.1+ and PHP false+. Available on WordPress.org since 2014. Last updated 12 years ago — may have compatibility concerns. Top alternative: WP Mail SMTP by WPForms – The Most….

0/5Rating

10active installs

2.2K+total downloads

12 yearssince 2014

Overview

Ninja Forms is a great WordPress plugin and this plugin makes it even greater!

If you’re using Ninja Forms for gathering data and one or more of textbox fields
must be unique, this plugin is for you. The plugin is pretty straightforward to
install, and has few settings only (language settings, basically).

Once installed, it will validate every submission to make sure the values for
one or more fields are unique.

Brought to you by Fineswap Team.

Read full description on WordPress.org