Kit (formerly ConvertKit) vs Mailster WordPress Newsletter Plugin
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
Kit (formerly ConvertKit) leads the WordPress.org popular list today at #806, ahead of Mailster WordPress Newsletter Plugin at #2,598. Over the last 7 days Kit (formerly ConvertKit) held its place and Mailster WordPress Newsletter Plugin slipped 10 places. Kit (formerly ConvertKit) has the largest install base, roughly 5.7× the next: 40K+ active installs against 7K+ for Mailster WordPress Newsletter Plugin. Downloads this week: Kit (formerly ConvertKit) 23,969 and Mailster WordPress Newsletter Plugin 333. Ratings: Kit (formerly ConvertKit) 4.8★ from 90 and Mailster WordPress Newsletter Plugin 3.5★ from 8 reviews.
| Metric | Kit (formerly ConvertKit) | Mailster WordPress Newsletter Plugin |
|---|---|---|
| Popular rank today | #806 ▬ | #2,598 ▼ 10 |
| Active installs | 40K+ | 7K+ |
| Downloads, last 7 days | 23,969 | 333 |
| Rating | 4.8★ (90) | 3.5★ (8) |
| Last updated | Oct 15, 2026 | Oct 15, 2026 |
| Current version | 3.4.7 | 2.0.3 |
| Best rank on record | #805 | #2,529 |
| Days in the top 50 | 0 | 0 |
| On WordPress.org since | Mar 2015 | Jan 2017 |
| Sites detected by our detector | 6 | 0 |
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
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- Mailster WordPress Newsletter Plugin vs FluentCRM - Marketing Automation For WordPress
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Frequently asked questions
Which is more popular, Kit (formerly ConvertKit) or Mailster WordPress Newsletter Plugin?
By active installs, Kit (formerly ConvertKit): 40K+ sites run it against 7K+ for Mailster WordPress Newsletter Plugin, according to WordPress.org figures captured on October 16, 2026.
Which ranks higher on WordPress.org, Kit (formerly ConvertKit) or Mailster WordPress Newsletter Plugin?
Kit (formerly ConvertKit), at #806 on the WordPress.org popular plugins list today, with Mailster WordPress Newsletter Plugin at #2,598. The ranking reflects recent installs and moves daily, which is why this page shows the history rather than one snapshot.
Are Kit (formerly ConvertKit) or Mailster WordPress Newsletter Plugin 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.