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ICS Calendar vs Office 365 User Authentication for… (2026)

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

ICS Calendar

ICS Calendar

4.9(72)

10K+ active installs

Free + Premium

Updated 3 days ago
View ICS Calendar
VS
Office 365 User Authentication for…

Office 365 User Authentication for…

5(7)

20 active installs

Free

Updated 6 months ago
View Office 365 User Authentication for…

Quick Verdict

As of April 2026, Office 365 User Authentication for… has a higher user rating (5/5 from 7 reviews) while ICS Calendar leads in active installations (10K+ vs 20). Both are free + premium WordPress plugins. ICS Calendar has accumulated 1.8M+ total downloads while Office 365 User Authentication for… has 7.5K+.

Detailed Comparison

Rating
4.9/5ICS Calendar
►
Office 365 User Authentication for…5/5
Total Reviews
72ICS Calendar
◄
Office 365 User Authentication for…7
Active Installs
10K+ICS Calendar
◄
Office 365 User Authentication for…20
Total Downloads
1.8M+ICS Calendar
◄
Office 365 User Authentication for…7.5K+
Support Resolution
N/AICS Calendar
Office 365 User Authentication for…N/A
Last Updated
3 days agoICS Calendar
◄
Office 365 User Authentication for…6 months ago
First Released
2017ICS Calendar
Office 365 User Authentication for…2018
Age
9 yearsICS Calendar
Office 365 User Authentication for…8 years
WP Requires
4.9+ICS Calendar
Office 365 User Authentication for…3.5.2+
PHP Requires
7.4+ICS Calendar
Office 365 User Authentication for…5.6.36+
Business Model
Free + PremiumICS Calendar
Office 365 User Authentication for…Free
Latest Version
12.0.6ICS Calendar
Office 365 User Authentication for…2.7

Rating Breakdown

ICS Calendar

4.9/5(72 reviews)
5
96%
4
3%
3
0%
2
1%
1
0%

Office 365 User Authentication for…

5/5(7 reviews)
5
100%
4
0%
3
0%
2
0%
1
0%

Recent Reviews

ICS Calendar Reviews

by frankdoherty

Finally a product that does what it says.

Finally I found this product. The app is simple to setup and the support is next-level! You don’t need to look any further.

by Rico

Great plugin, prompt support

Easy google calendar customization.And support was also VERY helpful!

by lwith

Very good

no limits for entries!no extra event management necessary, I just integrated a google calendar

Office 365 User Authentication for… Reviews

No reviews yet

Frequently Asked Questions

Is ICS Calendar or Office 365 User Authentication for… more popular?
ICS Calendar has 10K+ active installations while Office 365 User Authentication for… has 20. ICS Calendar is the more widely-used plugin as of April 2026.
Which has better ratings — ICS Calendar or Office 365 User Authentication for…?
ICS Calendar has a 4.9/5 rating from 72 reviews, while Office 365 User Authentication for… has a 5/5 rating from 7 reviews.
Are ICS Calendar and Office 365 User Authentication for… free?
ICS Calendar is free + premium and Office 365 User Authentication for… is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — ICS Calendar or Office 365 User Authentication for…?
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?
ICS Calendar was last updated 3 days ago and Office 365 User Authentication for… was last updated 6 months ago.

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