MC4WP Nulled The best Mailchimp plugin for WordPress
Guaranteed to turn more site visitors into subscribers for your Mailchimp lists.
This plugin is being actively used on nearly 2 million WordPress sites, has been downloaded over 25 million times and 99% of all users rate it with 4 stars or more.
Premium features
For slightly more advanced use cases, there is Mailchimp for WordPress Premium. It serves as an add-on plugin adding the following features.
Demo: https://www.mc4wp.com/