Cart66 to Mailchimp
Send customer emails to a Mailchimp list at the completion of a Cart66 transaction. Customer will receive a confirmation email from Mailchimp.
Consider an alternative
Cart66 to Mailchimp shows warning signs in 2026 — compare the alternatives below before installing. It runs on 10+ sites and was last updated 13 years ago, and scores 23/100 on our health check.
- Small user base (10+ active installs)
- Very few reviews so far
- No update in 13 years
- Only tested up to WordPress 3.5 (latest is 7.1)
How does it stack up?
Side-by-side on installs, updates, ratings & support
Daily downloads
Download spikes usually follow a new release — each site that auto-updates counts as a download.
Rankings
Where Cart66 to Mailchimp stands todayWordPress.org search rankings
Live position in the plugin search, top 100| Keyword | Position |
|---|---|
| cart66 | #8 |
| >100 | |
| integration | >100 |
| mailchimp | >100 |
| newsletter | >100 |
Version adoption
Share of active sites per release.
About Cart66 to Mailchimp
From the official readme · v1.4Description
Send customer emails to a Mailchimp list at the completion of a Cart66 transaction. Customer will receive a confirmation email from Mailchimp to opt-in.
Installation
To Install Cart66 to Mailchimp
- Download the cart66-to-mailchimp.zip file
- Extract the zip file so that you have a folder called ‘cart66-to-mailchimp’
- Upload the ‘cart66-to-mailchimp’ folder to the
/wp-content/plugins/directory - Activate the plugin through the ‘Plugins’ menu in WordPress
- Configure your settings in the Settings panel
To Uninstall Cart66 to Mailchimp
- Deactivate Cart66 to Mailchimp thorugh the ‘Plugins’ menu in WordPress
- Click the “delete” link to delete the Cart66 to Mailchimp plugin. This will remove all of the Cart66 to Mailchimp files from your plugins directory and will delete the data used by Cart66 to Mailchimp.
Screenshots
For developers
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Best Cart66 to Mailchimp alternatives
All cart66 plugins →FAQ
Cart66 to Mailchimp: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Oct 10, 2026
Is Cart66 to Mailchimp free?
Yes. Cart66 to Mailchimp is free to download and use from the official WordPress.org plugin directory.
Is Cart66 to Mailchimp safe to use in 2026?
Cart66 to Mailchimp shows warning signs in 2026 — compare the alternatives below before installing. It runs on 10+ sites and was last updated 13 years ago, and scores 23/100 on our health check.
How many websites use Cart66 to Mailchimp?
Cart66 to Mailchimp is active on 10+ WordPress websites and has been downloaded 2,531 times since it launched in February 2013. It was downloaded 72 times in the last 30 days.
Does Cart66 to Mailchimp work with WordPress 7.1?
Cart66 to Mailchimp is officially tested up to WordPress 3.5.2, while the latest release is 7.1.3. It may still work, but try it on a staging site first.
When was Cart66 to Mailchimp last updated?
The latest version, 1.4, was released on August 10, 2013 (13 years ago).
Who makes Cart66 to Mailchimp?
Cart66 to Mailchimp is developed and maintained by johndaskovsky.
What are the best alternatives to Cart66 to Mailchimp?
The most popular alternatives to Cart66 to Mailchimp are Cartalog (10+ installs), ClassDex (10+ installs) and Cart66 Lite Advance Sales R… (10+ installs).
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