MC4WP: Mailchimp for WordPress vs Klaviyo (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
MC4WP: Mailchimp for WordPress
1.0M+ active installs
Free
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 100K+). Both are free WordPress plugins. MC4WP: Mailchimp for WordPress has accumulated 73M+ total downloads while Klaviyo has 1.5M+. Klaviyo has a higher support resolution rate (100% vs 89%).
Detailed Comparison
| Metric | MC4WP: Mailchimp for WordPress | Klaviyo | |
|---|---|---|---|
| Rating | 4.8/5 | ◄ | 2.8/5 |
| Total Reviews | 1,492 | ◄ | 24 |
| Active Installs | 1.0M+ | ◄ | 100K+ |
| Total Downloads | 73M+ | ◄ | 1.5M+ |
| Support Resolution | 89% | ► | 100% |
| Last Updated | 1 week ago | ◄ | 3 weeks ago |
| First Released | 2013 | 2012 | |
| Age | 13 years | 14 years | |
| WP Requires | 4.6+ | 5.2+ | |
| PHP Requires | 7.4+ | 7.0+ | |
| Business Model | Free | Free | |
| Latest Version | 4.12.1 | 3.7.3 |
Rating Breakdown
MC4WP: Mailchimp for WordPress
Klaviyo
Download Trends
Over the past 30 days, MC4WP: Mailchimp for WordPress averaged approximately 39,723 daily downloads while Klaviyo averaged 2,402.
Recent Reviews
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.
Klaviyo Reviews
0 star if I can
this plugin is useless piece of work. idk why in 2025 klavydio is so behind and can’t just simply create normal html format codes, why to bother with java nonsense – but worse – why to make a plugin t
Stay away
This plugin is just confusing to get to work. And the amount of spam emails they send out after you register are crazy! I deleted my account there after 10+ emails yesterday, today i still got 4
constant 502 errors
Would give zero stars if I could. This thing made my wp-admin practically unusable. The website was fine for visitors, but actually building the website was mind-numbingly, throw the computer out the
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Frequently Asked Questions
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.