WordPress plugin comparison
Cart66 to Mailchimp vs MailOptin
At a glance
- MailOptin has more active installs: 10K+, against 10+ for Cart66 to Mailchimp.
- On a typical day, MailOptin is downloaded about 172 times, Cart66 to Mailchimp about 1.
- Cart66 to Mailchimp has no reviews yet.
- MailOptin was updated more recently: Oct 13, 2026, against Aug 10, 2013 for Cart66 to Mailchimp.
- MailOptin is tested with a newer WordPress: 7.1.4, against 3.5.2 for Cart66 to Mailchimp.
- Cart66 to Mailchimp has been around longer: since 2013, against 2017 for MailOptin.
Line by line
MailOptin leads on 6 of 6 comparable lines.
| Metric |  Cart66 to Mailchimp |  MailOptin |
|---|---|---|
| Popular rank | #40,907 | #1,521 |
| Active installs | 10+ | 10K+ |
| Downloads, last 30 days | 36 | 16.4K |
| Rating | No ratings | 4.8(438) |
| Support threads resolved | – | 0% |
| Tested up to | 3.5.2 | 7.1.4 |
| Search multiplier | ×0.00 | ×0.86 |
| Last release | 13 years ago | 28 days ago |
| Requires PHP | – | 7.4 |
From WordPress.org's public data, refreshed every night. Downloads are WordPress.org's official daily figures for the last 30 days.
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