Kit (formerly ConvertKit) for… vs Optin Forms – Simple List Building… (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Kit (formerly ConvertKit) for…
4.0K+ active installs
Free
Optin Forms – Simple List Building…
3.0K+ active installs
Free
Quick Verdict
As of April 2026, Kit (formerly ConvertKit) for… has a higher user rating (5/5 from 6 reviews) and leads in active installations (4.0K+ vs 3.0K+). Both are free WordPress plugins. Kit (formerly ConvertKit) for… has accumulated 354K+ total downloads while Optin Forms – Simple List Building… has 421K+.
Detailed Comparison
| Metric | Kit (formerly ConvertKit) for… | Optin Forms – Simple List Building… | |
|---|---|---|---|
| Rating | 5/5 | ◄ | 4.6/5 |
| Total Reviews | 6 | ► | 72 |
| Active Installs | 4.0K+ | ◄ | 3.0K+ |
| Total Downloads | 354K+ | ► | 421K+ |
| Support Resolution | 100% | N/A | |
| Last Updated | 4 days ago | ◄ | 1 year ago |
| First Released | 2016 | 2014 | |
| Age | 10 years | 12 years | |
| WP Requires | 5.0+ | 3.2+ | |
| PHP Requires | 7.1+ | false+ | |
| Business Model | Free | Free | |
| Latest Version | 2.1.2 | 1.3.7.1 |
Rating Breakdown
Kit (formerly ConvertKit) for…
Optin Forms – Simple List Building…
Download Trends
Over the past 30 days, Kit (formerly ConvertKit) for… averaged approximately 521 daily downloads while Optin Forms – Simple List Building… averaged 7.
Recent Reviews
Kit (formerly ConvertKit) for… Reviews
Awesome Tool
Increases my conversions and makes life easier!
Love ConvertKit
I’ve been using ConvertKit for three years now, and after having used several other e-mail providers, I have no intention of switching to another provider anytime soon. They make sending out e-mails
Easiest Way to Connect Woo Commerce to ConvertKit
This little plugin makes it very easy to connect to ConvertKit from any WooCommerce product. You can pick a tag, sequence, or form to submit the data to when that product is purchased. And, if you a
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!
More Convertkit Worth Comparing
Top alternatives in the same category as Kit (formerly ConvertKit) for… and Optin Forms – Simple List Building…
Frequently Asked Questions
Is Kit (formerly ConvertKit) for… or Optin Forms – Simple List Building… more popular?
Which has better ratings — Kit (formerly ConvertKit) for… or Optin Forms – Simple List Building…?
Are Kit (formerly ConvertKit) for… and Optin Forms – Simple List Building… free?
Which plugin has better support — Kit (formerly ConvertKit) for… or Optin Forms – Simple List Building…?
Which plugin is updated more frequently?
Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.