MC4WP: Mailchimp for WordPress vs MailOptin – Popup, Optin Forms & Email… (2026)

Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.

MC4WP: Mailchimp for WordPress

MC4WP: Mailchimp for WordPress

4.8(1,492)

1.0M+ active installs

Free

Updated 1 week ago
View MC4WP: Mailchimp for WordPress
VS
MailOptin – Popup, Optin Forms & Email…

MailOptin – Popup, Optin Forms & Email…

4.8(434)

20K+ active installs

Free + Premium

Updated 1 week ago
View MailOptin – Popup, Optin Forms & Email…

Quick Verdict

As of April 2026, MC4WP: Mailchimp for WordPress has a higher user rating (4.8/5 from 1,492 reviews) and leads in active installations (1.0M+ vs 20K+). Both are free WordPress plugins. MC4WP: Mailchimp for WordPress has accumulated 73M+ total downloads while MailOptin – Popup, Optin Forms & Email… has 2.4M+.

Detailed Comparison

Rating
4.8/5MC4WP: Mailchimp for WordPress
MailOptin – Popup, Optin Forms & Email…4.8/5
Total Reviews
1,492MC4WP: Mailchimp for WordPress
MailOptin – Popup, Optin Forms & Email…434
Active Installs
1.0M+MC4WP: Mailchimp for WordPress
MailOptin – Popup, Optin Forms & Email…20K+
Total Downloads
73M+MC4WP: Mailchimp for WordPress
MailOptin – Popup, Optin Forms & Email…2.4M+
Support Resolution
89%MC4WP: Mailchimp for WordPress
MailOptin – Popup, Optin Forms & Email…N/A
Last Updated
1 week agoMC4WP: Mailchimp for WordPress
MailOptin – Popup, Optin Forms & Email…1 week ago
First Released
2013MC4WP: Mailchimp for WordPress
MailOptin – Popup, Optin Forms & Email…2017
Age
13 yearsMC4WP: Mailchimp for WordPress
MailOptin – Popup, Optin Forms & Email…9 years
WP Requires
4.6+MC4WP: Mailchimp for WordPress
MailOptin – Popup, Optin Forms & Email…6.4+
PHP Requires
7.4+MC4WP: Mailchimp for WordPress
MailOptin – Popup, Optin Forms & Email…7.4+
Business Model
FreeMC4WP: Mailchimp for WordPress
MailOptin – Popup, Optin Forms & Email…Free + Premium
Latest Version
4.12.1MC4WP: Mailchimp for WordPress
MailOptin – Popup, Optin Forms & Email…1.2.77.0

Rating Breakdown

MC4WP: Mailchimp for WordPress

4.8/5(1,492 reviews)
5
92%
4
3%
3
1%
2
1%
1
3%

MailOptin – Popup, Optin Forms & Email…

4.8/5(434 reviews)
5
92%
4
2%
3
1%
2
1%
1
3%

Recent Reviews

MC4WP: Mailchimp for WordPress Reviews

by jesushillman

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 👍

by Bentomen

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

by 4mifix

Just Started Using This API

I like it so far and will update this review as time goes on.

MailOptin – Popup, Optin Forms & Email… Reviews

by gpaulley

Outstanding.

After trying IceGram and being tremendously disappointed, I decided to try MailOptIn. My stack includes WP Mail SMTP, MailOptIn, MailJet, and WP Forms. The implementation has been flawless and I love

by chaney220

Outstanding Customer Service!

One of the customer service reps contacted me and offered to create a free campaign for me! I just told him what I wanted, and he did all the work for me. And he did a great job!

by tcraftcoltd

すごいよ

ありがとうございます。

Frequently Asked Questions

Is MC4WP: Mailchimp for WordPress or MailOptin – Popup, Optin Forms & Email… more popular?
MC4WP: Mailchimp for WordPress has 1.0M+ active installations while MailOptin – Popup, Optin Forms & Email… has 20K+. MC4WP: Mailchimp for WordPress is the more widely-used plugin as of April 2026.
Which has better ratings — MC4WP: Mailchimp for WordPress or MailOptin – Popup, Optin Forms & Email…?
MC4WP: Mailchimp for WordPress has a 4.8/5 rating from 1,492 reviews, while MailOptin – Popup, Optin Forms & Email… has a 4.8/5 rating from 434 reviews.
Are MC4WP: Mailchimp for WordPress and MailOptin – Popup, Optin Forms & Email… free?
MC4WP: Mailchimp for WordPress is free and MailOptin – Popup, Optin Forms & Email… is free + premium. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — MC4WP: Mailchimp for WordPress or MailOptin – Popup, Optin Forms & Email…?
Support resolution data is not available for all plugins. Check each plugin's WordPress.org support forum for current response quality.
Which plugin is updated more frequently?
MC4WP: Mailchimp for WordPress was last updated 1 week ago and MailOptin – Popup, Optin Forms & Email… was last updated 1 week ago.

Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.