MailerLite – Signup forms (official) vs Mailster Cool Captcha (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
MailerLite – Signup forms (official)
100K+ active installs
Free
Quick Verdict
As of April 2026, MailerLite – Signup forms (official) has a higher user rating (3/5 from 40 reviews) and leads in active installations (100K+ vs 400). Both are free WordPress plugins. MailerLite – Signup forms (official) has accumulated 2.2M+ total downloads while Mailster Cool Captcha has 5.5K+.
Detailed Comparison
| Metric | MailerLite – Signup forms (official) | Mailster Cool Captcha | |
|---|---|---|---|
| Rating | 3/5 | ◄ | N/A |
| Total Reviews | 40 | ◄ | 0 |
| Active Installs | 100K+ | ◄ | 400 |
| Total Downloads | 2.2M+ | ◄ | 5.5K+ |
| Support Resolution | 0% | N/A | |
| Last Updated | 1 month ago | ◄ | 1 year ago |
| First Released | 2014 | 2017 | |
| Age | 12 years | 9 years | |
| WP Requires | 3.0.1+ | 6.0+ | |
| PHP Requires | 7.2.5+ | false+ | |
| Business Model | Free | Free | |
| Latest Version | 1.7.20 | 1.3.1 |
Rating Breakdown
MailerLite – Signup forms (official)
Mailster Cool Captcha
Download Trends
Recent Reviews
MailerLite – Signup forms (official) Reviews
Same as everyone else here…
I signed up with mailerlite to manage newsletters (as opposed to ecommerce abandoned cart flows etc). I made an embedded signup form for newsletter subscription. THEN I learned that I needed this very
No longer using it
I’ve had a similar experience to another commenter. Initially the plugin worked well. But later when I click to edit my form, it would redirect to MailerLite website and say “Form not found”. So I tri
Unreliable both as a platform and as a plugin
My experience with MailerLite has been simply disastrous.The problem does not concern only the WordPress plugin, but the entire platform. After numerous attempts the result was always the same:form
Mailster Cool Captcha Reviews
No reviews yet
More Plugins Worth Comparing
Top alternatives in the same category as MailerLite – Signup forms (official) and Mailster Cool Captcha
The #1 Mailchimp plugin for WordPress. Allows you to add a multitude of newsletter sign-up methods to your site.
MW WP Form is shortcode base contact form plugin. This plugin have many features. For example you can use many validation rules, inquiry data saving, …
Newsletters, Email Marketing, Email Automation, Forms, Pop Up, SMS by Omnisend
"Contact Form 7 add confirm" can add confirm step to "Contact Form 7".
The CFF plugin allows you to create both simple and professional forms. Its form builder includes dynamic calculated fields and many other controls.
Frequently Asked Questions
Is MailerLite – Signup forms (official) or Mailster Cool Captcha more popular?
Which has better ratings — MailerLite – Signup forms (official) or Mailster Cool Captcha?
Are MailerLite – Signup forms (official) and Mailster Cool Captcha free?
Which plugin has better support — MailerLite – Signup forms (official) or Mailster Cool Captcha?
Which plugin is updated more frequently?
Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.