WP Mail SMTP by WPForms – The Most… vs MC4WP: Mailchimp for WordPress (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
WP Mail SMTP by WPForms – The Most…
4.0M+ active installs
Free
MC4WP: Mailchimp for WordPress
1.0M+ active installs
Free
Quick Verdict
As of April 2026, WP Mail SMTP by WPForms – The Most… has a higher user rating (4.8/5 from 5,089 reviews) and leads in active installations (4.0M+ vs 1.0M+). Both are free WordPress plugins. WP Mail SMTP by WPForms – The Most… has accumulated 76M+ total downloads while MC4WP: Mailchimp for WordPress has 73M+. MC4WP: Mailchimp for WordPress has a higher support resolution rate (89% vs 88%).
Detailed Comparison
| Metric | WP Mail SMTP by WPForms – The Most… | MC4WP: Mailchimp for WordPress | |
|---|---|---|---|
| Rating | 4.8/5 | 4.8/5 | |
| Total Reviews | 5,089 | ◄ | 1,492 |
| Active Installs | 4.0M+ | ◄ | 1.0M+ |
| Total Downloads | 76M+ | ◄ | 73M+ |
| Support Resolution | 88% | ► | 89% |
| Last Updated | 4 months ago | ► | 1 week ago |
| First Released | 2007 | 2013 | |
| Age | 19 years | 13 years | |
| WP Requires | 5.5+ | 4.6+ | |
| PHP Requires | 7.4+ | 7.4+ | |
| Business Model | Free | Free | |
| Latest Version | 4.7.1 | 4.12.1 |
Rating Breakdown
WP Mail SMTP by WPForms – The Most…
MC4WP: Mailchimp for WordPress
Download Trends
Over the past 30 days, WP Mail SMTP by WPForms – The Most… averaged approximately 13,731 daily downloads while MC4WP: Mailchimp for WordPress averaged 39,899.
Recent Reviews
WP Mail SMTP by WPForms – The Most… Reviews
Great plugin!
Easy to install and configure. Works like a charm!
Love it
easy and reliable
Does the Job, Needs Improvement
WP Mail SMTP by WPForms works well for email delivery, with easy setup. However, it lacks some advanced features and customization. 4 stars! This topic was modified 2 days, 1 hour ago by janel
MC4WP: Mailchimp for WordPress Reviews
Good but Limited
Works well for basic email setup & easy to connect with Mailchimp. UI is simple. But needs more flexibility in forms. Overall, a good plugin. tnx 👍
Simple Mailchimp Connect
Good plugin for connecting Mailchimp with WP. Setup was pretty easy and forms started collecting emails without much hassle. UI is clean too. A few more design options would be nice, but overall works
Just Started Using This API
I like it so far and will update this review as time goes on.
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Frequently Asked Questions
Is WP Mail SMTP by WPForms – The Most… or MC4WP: Mailchimp for WordPress more popular?
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.