Optin Forms – Simple List Building… vs Kit (formerly ConvertKit) for WPForms (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Optin Forms – Simple List Building…
3.0K+ active installs
Free
Kit (formerly ConvertKit) for WPForms
1.0K+ active installs
Free
Quick Verdict
As of April 2026, Kit (formerly ConvertKit) for WPForms has a higher user rating (5/5 from 3 reviews) while Optin Forms – Simple List Building… leads in active installations (3.0K+ vs 1.0K+). Both are free WordPress plugins. Optin Forms – Simple List Building… has accumulated 421K+ total downloads while Kit (formerly ConvertKit) for WPForms has 62K+.
Detailed Comparison
| Metric | Optin Forms – Simple List Building… | Kit (formerly ConvertKit) for WPForms | |
|---|---|---|---|
| Rating | 4.6/5 | ► | 5/5 |
| Total Reviews | 72 | ◄ | 3 |
| Active Installs | 3.0K+ | ◄ | 1.0K+ |
| Total Downloads | 421K+ | ◄ | 62K+ |
| Support Resolution | N/A | N/A | |
| Last Updated | 1 year ago | ► | 5 days ago |
| First Released | 2014 | 2017 | |
| Age | 12 years | 9 years | |
| WP Requires | 3.2+ | 5.0+ | |
| PHP Requires | false+ | 7.1+ | |
| Business Model | Free | Free | |
| Latest Version | 1.3.7.1 | 1.9.1 |
Rating Breakdown
Optin Forms – Simple List Building…
Kit (formerly ConvertKit) for WPForms
Download Trends
Over the past 30 days, Optin Forms – Simple List Building… averaged approximately 7 daily downloads while Kit (formerly ConvertKit) for WPForms averaged 68.
Recent Reviews
Optin Forms – Simple List Building… Reviews
2 Forms?
Love this plugin, but is there a way to make more than one form at a time? If so how??
Unbelievable Support!
I needed help and the support I received was unbelievable! Thank you!
Сайт свой почините
ваш сайт не работает, выдаёт ошибку 404 по ссылке в плагине. и https у вас кончился!
Kit (formerly ConvertKit) for WPForms Reviews
Easy to use and great support
This plugin is super easy to use, even for newbies, and the support team is very responsive and helpful!
Excellent Plugin.
The plugin is easy to setup and it works great.
Works Flawlessly
I used this plugin on a fairly high-traffic publisher site and it does exactly what it’s supposed to do without issue. Also very easy to setup.
More Convertkit Worth Comparing
Top alternatives in the same category as Optin Forms – Simple List Building… and Kit (formerly ConvertKit) for WPForms
Integrates WooCommerce with Kit allowing customers to be automatically sent to your Kit account.
Frequently Asked Questions
Is Optin Forms – Simple List Building… or Kit (formerly ConvertKit) for WPForms more popular?
Which has better ratings — Optin Forms – Simple List Building… or Kit (formerly ConvertKit) for WPForms?
Are Optin Forms – Simple List Building… and Kit (formerly ConvertKit) for WPForms free?
Which plugin has better support — Optin Forms – Simple List Building… or Kit (formerly ConvertKit) for WPForms?
Which plugin is updated more frequently?
Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.