Forms for Mailchimp by Optin Cat – Grow Your MailChimp List

75 Quality Score

Active Installs

15/30

With 2,000 active installs, it sits in a small niche compared to major players like MC4WP at 1,000,000 installs, though its install-to-rating ratio is healthy.

Update Freshness

25/25

Last updated in April 2026 and tested against WordPress 7.0, the plugin shows clear, recent maintenance activity.

User Rating

13/15

An 88/100 score from 76 reviewers indicates strong satisfaction from those who have tried it.

Support Health

8/15

Zero support threads recorded means there is no track record to evaluate, which is a mild concern given the small user base.

WP Compatibility

15/15

Tested with WordPress 7.0 and compatible back to 3.9.1, with no PHP version constraint, so it will run on virtually any hosting environment.

Scores higher than 43% of indexed plugins

About

Forms for Mailchimp by Optin Cat helps you grow your MailChimp list. Create popups, inline forms, sidebar widgets & more.

Active Installs 2k+

Rating ★★★★ 4.4/5

Last Updated 2026-08-16 2:43am GMT

Requires WordPress 3.9.1+

Tested Up To 7.1

Security History

3 known vulnerabilities, all patched

3 Medium

Most recent: October 25, 2024

View details ▸

What It Does

Forms for Mailchimp by Optin Cat connects your WordPress site to Mailchimp and lets you build opt-in forms directly inside the dashboard. You can create popups, inline forms, and sidebar widgets to capture visitor emails and push them into a Mailchimp list. It focuses on simple form building rather than full marketing automation.

Who It's For

This plugin suits solo creators, small business owners, and bloggers who want a lightweight way to add Mailchimp signup forms without touching code. It works well for sites running a single list and needing only basic form types like popups and embedded widgets. Agencies or larger teams managing many client accounts may outgrow it quickly.

Who Should Skip It

If you need advanced segmentation, conditional logic, or deep integration with WooCommerce, look elsewhere. Sites that already use a form builder like WPForms or Contact Form 7 with a dedicated Mailchimp add-on have no reason to add another plugin.

The Bottom Line

Forms for Mailchimp by Optin Cat is a competent, well-maintained plugin with strong ratings, but its tiny install base and lack of visible support activity make it hard to recommend over MC4WP unless you specifically need its form builder UI. It is a reasonable choice for a small site wanting simple popups and widgets without the bloat of larger suites.

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