MailOptin – Popup, Optin Forms & Email… vs MC4WP: Mailchimp Top Bar (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
MailOptin – Popup, Optin Forms & Email…
20K+ active installs
Free + Premium
MC4WP: Mailchimp Top Bar
7.0K+ active installs
Free
Quick Verdict
As of April 2026, MailOptin – Popup, Optin Forms & Email… has a higher user rating (4.8/5 from 434 reviews) and leads in active installations (20K+ vs 7.0K+). Both are free + premium WordPress plugins. MailOptin – Popup, Optin Forms & Email… has accumulated 2.4M+ total downloads while MC4WP: Mailchimp Top Bar has 365K+.
Detailed Comparison
| Metric | MailOptin – Popup, Optin Forms & Email… | MC4WP: Mailchimp Top Bar | |
|---|---|---|---|
| Rating | 4.8/5 | ◄ | 4.6/5 |
| Total Reviews | 434 | ◄ | 30 |
| Active Installs | 20K+ | ◄ | 7.0K+ |
| Total Downloads | 2.4M+ | ◄ | 365K+ |
| Support Resolution | N/A | N/A | |
| Last Updated | 1 week ago | ◄ | 1 month ago |
| First Released | 2017 | 2015 | |
| Age | 9 years | 11 years | |
| WP Requires | 6.4+ | 4.9+ | |
| PHP Requires | 7.4+ | 7.4+ | |
| Business Model | Free + Premium | Free | |
| Latest Version | 1.2.77.0 | 1.7.4 |
Rating Breakdown
MailOptin – Popup, Optin Forms & Email…
MC4WP: Mailchimp Top Bar
Download Trends
Over the past 30 days, MailOptin – Popup, Optin Forms & Email… averaged approximately 420 daily downloads while MC4WP: Mailchimp Top Bar averaged 67.
Recent Reviews
MailOptin – Popup, Optin Forms & Email… Reviews
Outstanding.
After trying IceGram and being tremendously disappointed, I decided to try MailOptIn. My stack includes WP Mail SMTP, MailOptIn, MailJet, and WP Forms. The implementation has been flawless and I love
Outstanding Customer Service!
One of the customer service reps contacted me and offered to create a free campaign for me! I just told him what I wanted, and he did all the work for me. And he did a great job!
すごいよ
ありがとうございます。
MC4WP: Mailchimp Top Bar Reviews
Terrible
The Support staff are not interested in helping you, just marking their Topics as ‘Resolved’. You need to Hire a WordPress Developer if you want to get the full functionality from the ‘add-on’. I’ve s
missing GDPR support
This useful topbar does need to be updated to allow a required checkbox otherwise it’s no longer useful/legal to use on any website within the EU or any website collecting data from EU citizens.
doesn’t work
the plugin is displayed in “plugins” but no menu, no settings, completely useless … it is useless!
More Mailchimp Worth Comparing
Top alternatives in the same category as MailOptin – Popup, Optin Forms & Email… and MC4WP: Mailchimp Top Bar
The #1 Mailchimp plugin for WordPress. Allows you to add a multitude of newsletter sign-up methods to your site.
Connect your store to your Mailchimp audience to track sales, create targeted emails, send abandoned cart emails, and more.
Add a Mailchimp signup form block, widget, or shortcode to your WordPress site.
Connect Contact Form 7 to Mailchimp. Automatically sync form submissions to your Mailchimp audiences with merge field mapping, double opt-in, and opt- …
Creates a new widget to easily add mailing lists integration to a Genesis website. Works with FeedBurner, MailChimp, AWeber, FeedBlitz, ConvertKit and …
Send images to RSS instantly for free. Output blog or WooCommerce photos to Mailchimp RSS email campaigns, ActiveCampaign, Hubspot, Feedly and more.
Frequently Asked Questions
Is MailOptin – Popup, Optin Forms & Email… or MC4WP: Mailchimp Top Bar more popular?
Which has better ratings — MailOptin – Popup, Optin Forms & Email… or MC4WP: Mailchimp Top Bar?
Are MailOptin – Popup, Optin Forms & Email… and MC4WP: Mailchimp Top Bar free?
Which plugin has better support — MailOptin – Popup, Optin Forms & Email… or MC4WP: Mailchimp Top Bar?
Which plugin is updated more frequently?
Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.