iframe vs Kernel Booking (2026)

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

iframe

iframe

4.4(56)

70K+ active installs

Free

Updated 3 months ago
View iframe
VS
Kernel Booking

Kernel Booking

0(0)

10 active installs

Free

Updated 3 years ago
View Kernel Booking

Quick Verdict

As of April 2026, iframe has a higher user rating (4.4/5 from 56 reviews) and leads in active installations (70K+ vs 10). Both are free WordPress plugins. iframe has accumulated 1.9M+ total downloads while Kernel Booking has 1.4K+.

Detailed Comparison

Rating
4.4/5iframe
Kernel BookingN/A
Total Reviews
56iframe
Kernel Booking0
Active Installs
70K+iframe
Kernel Booking10
Total Downloads
1.9M+iframe
Kernel Booking1.4K+
Support Resolution
N/Aiframe
Kernel BookingN/A
Last Updated
3 months agoiframe
Kernel Booking3 years ago
First Released
2011iframe
Kernel Booking2019
Age
15 yearsiframe
Kernel Booking7 years
WP Requires
3.0+iframe
Kernel Booking4.6+
PHP Requires
false+iframe
Kernel Booking5.6.20+
Business Model
Freeiframe
Kernel BookingFree
Latest Version
6.0iframe
Kernel Booking1.0.3

Rating Breakdown

iframe

4.4/5(56 reviews)
5
82%
4
4%
3
0%
2
2%
1
13%

Kernel Booking

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

Recent Reviews

iframe Reviews

by cynops

works just fine

I’ve been using this for several years to embed a public webcam livestream. And also using it to embed google docs. I download the google doc as html, put it on the same server where wordpress is, and

by cohler

Like they said, it simply does NOT work AT ALL

It does not work AT ALL. You can enter all the shortcodes you like in as many widgets and text boxes as you like. And they do ABSOLUTELY NOTHING. This is total fakeware.

by choas

Fast Support and Easy to Use

An easy to use plugin with fast and practical support from its developer. More frequently and providing options to generate the shortcode on the posting page could make it even better! Thanks so much!

Kernel Booking Reviews

No reviews yet

Frequently Asked Questions

Is iframe or Kernel Booking more popular?
iframe has 70K+ active installations while Kernel Booking has 10. iframe is the more widely-used plugin as of April 2026.
Which has better ratings — iframe or Kernel Booking?
iframe has a 4.4/5 rating from 56 reviews, while Kernel Booking has a 0/5 rating from 0 reviews.
Are iframe and Kernel Booking free?
iframe is free and Kernel Booking is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — iframe or Kernel Booking?
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?
iframe was last updated 3 months ago and Kernel Booking was last updated 3 years ago.

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