MailerLite – Signup forms (official) vs CallBack Widget for WordPress (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
MailerLite – Signup forms (official)
100K+ active installs
Free
CallBack Widget for WordPress
40 active installs
Free
Quick Verdict
As of April 2026, CallBack Widget for WordPress has a higher user rating (5/5 from 2 reviews) while MailerLite – Signup forms (official) leads in active installations (100K+ vs 40). Both are free WordPress plugins. MailerLite – Signup forms (official) has accumulated 2.2M+ total downloads while CallBack Widget for WordPress has 5.7K+.
Detailed Comparison
| Metric | MailerLite – Signup forms (official) | CallBack Widget for WordPress | |
|---|---|---|---|
| Rating | 3/5 | ► | 5/5 |
| Total Reviews | 40 | ◄ | 2 |
| Active Installs | 100K+ | ◄ | 40 |
| Total Downloads | 2.2M+ | ◄ | 5.7K+ |
| Support Resolution | 0% | N/A | |
| Last Updated | 1 month ago | ◄ | 10 years ago |
| First Released | 2014 | 2015 | |
| Age | 12 years | 11 years | |
| WP Requires | 3.0.1+ | 3.0.1+ | |
| PHP Requires | 7.2.5+ | false+ | |
| Business Model | Free | Free | |
| Latest Version | 1.7.20 | 20150911 |
Rating Breakdown
MailerLite – Signup forms (official)
CallBack Widget for WordPress
Download Trends
Recent Reviews
MailerLite – Signup forms (official) Reviews
Same as everyone else here…
I signed up with mailerlite to manage newsletters (as opposed to ecommerce abandoned cart flows etc). I made an embedded signup form for newsletter subscription. THEN I learned that I needed this very
No longer using it
I’ve had a similar experience to another commenter. Initially the plugin worked well. But later when I click to edit my form, it would redirect to MailerLite website and say “Form not found”. So I tri
Unreliable both as a platform and as a plugin
My experience with MailerLite has been simply disastrous.The problem does not concern only the WordPress plugin, but the entire platform. After numerous attempts the result was always the same:form
CallBack Widget for WordPress Reviews
No reviews yet
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Frequently Asked Questions
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.