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Optin Forms – Simple List Building… vs Fast ConvertKit (2026)

Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.

Optin Forms – Simple List Building…

Optin Forms – Simple List Building…

4.6(72)

3.0K+ active installs

Free

Updated 1 year ago
View Optin Forms – Simple List Building…
VS
Fast ConvertKit

Fast ConvertKit

0(0)

50 active installs

Free

Updated 2 years ago
View Fast ConvertKit

Quick Verdict

As of April 2026, Optin Forms – Simple List Building… has a higher user rating (4.6/5 from 72 reviews) and leads in active installations (3.0K+ vs 50). Both are free WordPress plugins. Optin Forms – Simple List Building… has accumulated 421K+ total downloads while Fast ConvertKit has 2.6K+.

Detailed Comparison

Rating
4.6/5Optin Forms – Simple List Building…
◄
Fast ConvertKitN/A
Total Reviews
72Optin Forms – Simple List Building…
◄
Fast ConvertKit0
Active Installs
3.0K+Optin Forms – Simple List Building…
◄
Fast ConvertKit50
Total Downloads
421K+Optin Forms – Simple List Building…
◄
Fast ConvertKit2.6K+
Support Resolution
N/AOptin Forms – Simple List Building…
Fast ConvertKitN/A
Last Updated
1 year agoOptin Forms – Simple List Building…
◄
Fast ConvertKit2 years ago
First Released
2014Optin Forms – Simple List Building…
Fast ConvertKit2019
Age
12 yearsOptin Forms – Simple List Building…
Fast ConvertKit7 years
WP Requires
3.2+Optin Forms – Simple List Building…
Fast ConvertKit4.0+
PHP Requires
false+Optin Forms – Simple List Building…
Fast ConvertKit7.4+
Business Model
FreeOptin Forms – Simple List Building…
Fast ConvertKitFree
Latest Version
1.3.7.1Optin Forms – Simple List Building…
Fast ConvertKit1.1.1

Rating Breakdown

Optin Forms – Simple List Building…

4.6/5(72 reviews)
5
86%
4
4%
3
1%
2
3%
1
6%

Fast ConvertKit

0/5(0 reviews)
5
0%
4
0%
3
0%
2
0%
1
0%

Recent Reviews

Optin Forms – Simple List Building… Reviews

by cabel983

2 Forms?

Love this plugin, but is there a way to make more than one form at a time? If so how??

by Traprock

Unbelievable Support!

I needed help and the support I received was unbelievable! Thank you!

by DarkDjadai

Сайт свой почините

ваш сайт не работает, выдаёт ошибку 404 по ссылке в плагине. и https у вас кончился!

Fast ConvertKit Reviews

No reviews yet

Frequently Asked Questions

Is Optin Forms – Simple List Building… or Fast ConvertKit more popular?
Optin Forms – Simple List Building… has 3.0K+ active installations while Fast ConvertKit has 50. Optin Forms – Simple List Building… is the more widely-used plugin as of April 2026.
Which has better ratings — Optin Forms – Simple List Building… or Fast ConvertKit?
Optin Forms – Simple List Building… has a 4.6/5 rating from 72 reviews, while Fast ConvertKit has a 0/5 rating from 0 reviews.
Are Optin Forms – Simple List Building… and Fast ConvertKit free?
Optin Forms – Simple List Building… is free and Fast ConvertKit is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — Optin Forms – Simple List Building… or Fast ConvertKit?
Support resolution data is not available for all plugins. Check each plugin's WordPress.org support forum for current response quality.
Which plugin is updated more frequently?
Optin Forms – Simple List Building… was last updated 1 year ago and Fast ConvertKit was last updated 2 years ago.

Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.