PluginSift

Optin Forms – Simple List Building… vs Kolakube Email Forms (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
Kolakube Email Forms

Kolakube Email Forms

5(2)

10 active installs

Free

Updated 9 years ago
View Kolakube Email Forms

Quick Verdict

As of April 2026, Kolakube Email Forms has a higher user rating (5/5 from 2 reviews) while Optin Forms – Simple List Building… leads in active installations (3.0K+ vs 10). Both are free WordPress plugins. Optin Forms – Simple List Building… has accumulated 421K+ total downloads while Kolakube Email Forms has 4.2K+.

Detailed Comparison

Rating
4.6/5Optin Forms – Simple List Building…
►
Kolakube Email Forms5/5
Total Reviews
72Optin Forms – Simple List Building…
◄
Kolakube Email Forms2
Active Installs
3.0K+Optin Forms – Simple List Building…
◄
Kolakube Email Forms10
Total Downloads
421K+Optin Forms – Simple List Building…
◄
Kolakube Email Forms4.2K+
Support Resolution
N/AOptin Forms – Simple List Building…
Kolakube Email FormsN/A
Last Updated
1 year agoOptin Forms – Simple List Building…
◄
Kolakube Email Forms9 years ago
First Released
2014Optin Forms – Simple List Building…
Kolakube Email Forms2014
Age
12 yearsOptin Forms – Simple List Building…
Kolakube Email Forms12 years
WP Requires
3.2+Optin Forms – Simple List Building…
Kolakube Email Forms3.8+
PHP Requires
false+Optin Forms – Simple List Building…
Kolakube Email Formsfalse+
Business Model
FreeOptin Forms – Simple List Building…
Kolakube Email FormsFree
Latest Version
1.3.7.1Optin Forms – Simple List Building…
Kolakube Email Forms1.1.1

Rating Breakdown

Optin Forms – Simple List Building…

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

Kolakube Email Forms

5/5(2 reviews)
5
100%
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!

Kolakube Email Forms Reviews

No reviews yet

Frequently Asked Questions

Is Optin Forms – Simple List Building… or Kolakube Email Forms more popular?
Optin Forms – Simple List Building… has 3.0K+ active installations while Kolakube Email Forms has 10. 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 Kolakube Email Forms?
Optin Forms – Simple List Building… has a 4.6/5 rating from 72 reviews, while Kolakube Email Forms has a 5/5 rating from 2 reviews.
Are Optin Forms – Simple List Building… and Kolakube Email Forms free?
Optin Forms – Simple List Building… is free and Kolakube Email Forms is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — Optin Forms – Simple List Building… or Kolakube Email Forms?
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 Kolakube Email Forms was last updated 9 years ago.

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