WordPress plugin comparison

Sign In Scheduling Online Appointment Booking System vs WPCal.io

by Sign In Scheduling (formerly 10to8)

700+ installs5.0

WPCal.io

by revmakx

800+ installs4.6

At a glance

WPCal.io has more active installs: 800+, against 700+ for Sign In Scheduling Online Appointment Booking System.
On a typical day, WPCal.io is downloaded about 16 times, Sign In Scheduling Online Appointment Booking System about 11.
Sign In Scheduling Online Appointment Booking System is rated higher: 5.0 out of 5 from 3 reviews, against 4.6 from 20 reviews.
WPCal.io was updated more recently: Nov 18, 2025, against Apr 4, 2024 for Sign In Scheduling Online Appointment Booking System.
WPCal.io is tested with a newer WordPress: 6.4.14, against 6.3.14 for Sign In Scheduling Online Appointment Booking System.
Sign In Scheduling Online Appointment Booking System has been around longer: since 2016, against 2020 for WPCal.io.

WPCal.io leads on 6 of 7 comparable lines.

Metric	Sign In Scheduling Online Appointment Booking System	WPCal.io
Popular rank	#7,764	#7,364
Active installs	700+	800+
Downloads, last 30 days	186	304
Rating	5.0(3)	4.6(20)
Support threads resolved	–	–
Tested up to	6.3.14	6.4.14
Search multiplier	×0.05	×0.19
Last release	2 years ago	11 months ago
Requires PHP	–	7.1

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

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