Klaviyo vs Mailchimp
Two WordPress plugins head to head: ranking, active installs, downloads and ratings, from our daily tracking of the WordPress.org directory.
These aren’t all alternatives to each other — they do different jobs — so this page compares popularity only, not features.
At a glance
Klaviyo leads the WordPress.org popular list today at #436, ahead of Mailchimp at #666. Over the last 7 days Klaviyo held its place and Mailchimp slipped 1 place. Klaviyo has the largest install base, roughly 1.7× the next: 100K+ active installs against 60K+ for Mailchimp. Downloads this week: Klaviyo 40,853 and Mailchimp 1,764. Ratings: Klaviyo 2.8★ from 24 and Mailchimp 2.6★ from 77 reviews.
| Metric | Klaviyo | Mailchimp |
|---|---|---|
| Popular rank today | #436 ▬ | #666 ▼ 1 |
| Active installs | 100K+ | 60K+ |
| Downloads, last 7 days | 40,853 | 1,764 |
| Rating | 2.8★ (24) | 2.6★ (77) |
| Last updated | Oct 28, 2026 | Jun 3, 2026 |
| Current version | 3.9.0 | 2.1.0 |
| Best rank on record | #429 | #661 |
| Days in the top 50 | 0 | 0 |
| On WordPress.org since | Apr 2012 | May 2008 |
| Sites detected by our detector | 12 | 1 |
Highlighted cells mark the strongest figure in each row. Rank and installs are from the latest WordPress.org capture; downloads are the last seven captured days.
Ranking history Lower is better
Active installs
Downloads per day
More comparisons
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- Klaviyo vs Mailjet Email Marketing
- Mailchimp vs Mailjet Email Marketing
- Mailchimp vs MC4WP: Mailchimp for WordPress
- Mailchimp vs BlossomThemes Email Newsletter
- Mailchimp vs Genesis eNews Extended
Frequently asked questions
Which is more popular, Klaviyo or Mailchimp?
By active installs, Klaviyo: 100K+ sites run it against 60K+ for Mailchimp, according to WordPress.org figures captured on November 2, 2026.
Which ranks higher on WordPress.org, Klaviyo or Mailchimp?
Klaviyo, at #436 on the WordPress.org popular plugins list today, with Mailchimp at #666. The ranking reflects recent installs and moves daily, which is why this page shows the history rather than one snapshot.
Are Klaviyo or Mailchimp alternatives to each other?
Not all of them. Some of these plugins do different jobs and many sites run more than one. This page compares their popularity, not their features.
Where do these numbers come from?
WordPress.org publishes each plugin’s active install count and its position on the popular list. This site records both every day, along with per-day downloads and ratings, so the charts above show how the plugins have moved over time rather than a single day.