Freemium
Runs newsletters from WordPress with signup forms, subscriber lists, WooCommerce emails, and automated new-post notifications.
MC4WP: Mailchimp for WordPress
by ibericode
Connects WordPress to Mailchimp and adds newsletter signup methods so site visitors can join Mailchimp audiences from forms and other site locations.
Last Updated: September 9, 2026
Plugin Health & Stats
Active installs
1,000,000+Official WordPress.org tierWP.org rating
4.8/51,497 ratingsVersion
4.14.1Current repository releaseLast updated
2 weeks agoSep 16, 2026Total downloads78,236,223
Tested with WP7.1.1
Requires WP5.3+
Requires PHP7.4+
Support resolved (2 mo.)1 of 1 (100%)
Plugin age13 years, 3 months
Updates observed0
Tracking sinceSep 12, 2026
Repository data is older than 3 days. Showing the latest successful snapshot.
Historical overview
364-day WordPress.org historyDownload trendDaily package downloads · last 90 days
7d64,828
30d726,390
90d1,777,994
Peak day264.7KAug 4
Active version adoptionCurrent usage share
4.14 42.2%4.9 17.2%4.10 15.6%4.8 7.1%other 6.2%
MC4WP: Mailchimp for WordPress is not an email-marketing platform by itself. Its job is to connect WordPress forms, registration flows, checkout flows, and other site interactions to a Mailchimp audience without forcing you to replace the forms you already use.
Quick take
My MC4WP review conclusion is that it fits WordPress sites already committed to Mailchimp and looking for a clean bridge between the site and their Mailchimp audience.
The free plugin is enough for a basic sign-up form and many common WordPress integrations. Premium becomes relevant when you need multiple forms, AJAX submissions, advanced styling, local logging, WooCommerce e-commerce data, user synchronization, notifications, and audience-growth reporting.
Best fit: MC4WP: Mailchimp for WordPress makes the most sense for WordPress sites already using Mailchimp that need sign-up forms and opt-in integrations. I would look elsewhere for sites not using Mailchimp or teams seeking a complete email-marketing platform inside WordPress.
What MC4WP actually handles
MC4WP connects to Mailchimp with an API key, then lets WordPress send subscriber data into a selected Mailchimp audience. The plugin can display its own sign-up form or add newsletter opt-ins to existing workflows.
Free integrations currently include WordPress comments and registration, Contact Form 7, WooCommerce, Gravity Forms, Ninja Forms, WPForms, BuddyPress, MemberPress, Events Manager, Easy Digital Downloads, Give, Ultimate Member, HTML Forms, and AffiliateWP.
Features that matter in an MC4WP workflow
Native sign-up forms
You can build accessible sign-up forms, choose the fields sent to Mailchimp, and embed a form with the Gutenberg block, shortcode, widget, or PHP function.
Existing-form integrations
The ability to add Mailchimp opt-ins to forms and checkout flows you already use is one of MC4WP’s strongest practical advantages. You do not have to rebuild your contact or registration system just to collect newsletter consent.
WooCommerce e-commerce integration in Premium
Premium can send WooCommerce order data to Mailchimp so campaign revenue, purchases, product recommendations, abandoned-cart workflows, and purchase-based audience segments can work with store data.
Multiple forms and AJAX
Premium supports unlimited sign-up forms and AJAX submissions without a full page reload, which becomes useful when different pages or offers need separate forms.
User Sync
Premium can synchronize subscriber information between WordPress user profiles and Mailchimp, reducing manual imports and keeping account data aligned.
Local logging and notifications
Premium can log sign-up attempts in the WordPress database, export them to CSV or JSON, and send customizable email notifications for form submissions.
MC4WP Free vs Premium
The MC4WP Free vs Premium decision depends on how much of the customer journey you need inside WordPress. Free works well for a simple newsletter form and many common opt-in integrations. Premium is more valuable for stores, multiple campaigns/forms, user synchronization, reporting, local logs, visual form styling, and operational notifications.
Where the trade-offs show up
MC4WP only makes sense if Mailchimp is already the email platform you want to use. It does not replace Mailchimp’s audience, campaign, automation, deliverability, or billing model.
That also means there are two separate costs to think about: the WordPress plugin license and Mailchimp’s own plan/usage costs. A free MC4WP setup can still incur Mailchimp charges as the audience or feature requirements grow.
Premium expiry has a stronger consequence than many WordPress plugins. MC4WP states that when the license expires you no longer have access to Premium features or plugin updates, so renewal is part of the operating cost if those features are business-critical.
MC4WP pricing
Pricing checked September 9, 2026. MC4WP pricing starts at $59/year for Premium Single for one site. Multi is $99/year for up to five sites. Agency is $249/year for up to 25 sites. All plans include the same premium features and differ mainly by site allowance.
Prices are listed in US dollars before applicable tax, and Premium includes a 30-day money-back guarantee.
PluginSuggest verdict
This MC4WP review treats the plugin as a focused Mailchimp WordPress plugin, and that focus is its advantage. If Mailchimp is already your email system, this Mailchimp WordPress plugin handles many everyday opt-in needs in its free version without replacing your existing WordPress forms.
Premium makes the most sense when WordPress and Mailchimp need to exchange more than a basic email address. For that use case, a Mailchimp WordPress plugin with deeper sync and e-commerce features becomes much more valuable. Stores, membership sites, and content businesses with multiple opt-in paths have the clearest reason to upgrade.
MC4WP FAQs
Is MC4WP free?
Yes. The free plugin connects WordPress to Mailchimp, provides sign-up forms, and integrates with many common form, membership, and commerce plugins.
How much does MC4WP Premium cost?
As checked September 9, 2026, Premium starts at $59/year for one site. The five-site plan is $99/year and the 25-site Agency plan is $249/year.
Does MC4WP work with WooCommerce?
Yes. The free plugin can add opt-in functionality to WooCommerce, while Premium adds deeper e-commerce data such as purchases, campaign revenue, segments, and abandoned-cart workflows.
Can MC4WP create multiple forms?
Multiple sign-up forms are a Premium feature. The free plugin is intended for a simpler sign-up form workflow.
Does MC4WP replace Mailchimp?
No. MC4WP connects WordPress to Mailchimp. Mailchimp still handles the audience, campaigns, automations, and its own billing.
What happens if MC4WP Premium expires?
MC4WP states that expired licenses lose access to Premium features and plugin updates, so an active subscription is required to keep using the paid feature set.
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