WordPress plugin comparison

Ultimate Appointment Booking & Scheduling vs WP Simple Booking Calendar

Ultimate Appointment Booking & Scheduling

by Rustaurius

80+ installs4.1

WP Simple Booking Calendar

by Roland Murg

10K+ installs4.8

At a glance

WP Simple Booking Calendar has more active installs: 10K+, against 80+ for Ultimate Appointment Booking & Scheduling.
On a typical day, WP Simple Booking Calendar is downloaded about 116 times, Ultimate Appointment Booking & Scheduling about 6.
WP Simple Booking Calendar is rated higher: 4.8 out of 5 from 227 reviews, against 4.1 from 20 reviews.
Ultimate Appointment Booking & Scheduling was updated more recently: Aug 20, 2026, against Jun 29, 2026 for WP Simple Booking Calendar.
Ultimate Appointment Booking & Scheduling is tested with a newer WordPress: 7.1.4, against 7.0.8 for WP Simple Booking Calendar.
WP Simple Booking Calendar has been around longer: since 2011, against 2015 for Ultimate Appointment Booking & Scheduling.

WP Simple Booking Calendar leads on 5 of 7 comparable lines.

Metric	Ultimate Appointment Booking & Scheduling	WP Simple Booking Calendar
Popular rank	#17,823	#1,401
Active installs	80+	10K+
Downloads, last 30 days	103	1.9K
Rating	4.1(20)	4.8(227)
Support threads resolved	–	100%
Tested up to	7.1.4	7.0.8
Search multiplier	×0.33	×1.00
Last release	2 months ago	4 months ago
Requires PHP	–	5.6

From WordPress.org's public data, refreshed every night. Downloads are WordPress.org's official daily figures for the last 30 days.

Track your plugin against its rivals every day: rank, installs, downloads, ratings and their releases, with alerts when anything moves.