Cal.com

65 Quality Score

Active Installs

14/30

With only 1,000 active installs, adoption is modest, well behind top competitors in the appointment space that range from 20,000 to 100,000 installs.

Update Freshness

25/25

Last updated April 2026 and tested against WordPress 6.9.4, the plugin shows strong, current maintenance signals that exceed the requirements.

User Rating

4/15

A 60/100 score from just 2 ratings means the user feedback pool is too small to draw meaningful conclusions about satisfaction.

Support Health

8/15

Zero support threads opened and zero resolved reflects either a silent user base or limited developer presence on the WordPress.org forums.

WP Compatibility

15/15

Requiring only PHP 7.4 and WordPress 4.6, with recent testing on 6.9.4, gives the plugin excellent backward and forward compatibility.

Scores higher than 15% of indexed plugins

About

Embed Cal.com booking calendar in WordPress with custom UI and admin widget support.

Active Installs 1k+

Rating ★★★ 3/5

Last Updated 2026-04-06 6:52pm GMT

Requires WordPress 4.6+

Tested Up To 6.9.7

Requires PHP 7.4+

Security History

1 known vulnerability, all patched

1 Medium

Most recent: March 31, 2025

View details ▸

What It Does

Cal.com embeds the Cal.com open source scheduling platform directly into WordPress, allowing visitors to book appointments through a calendar interface. The plugin provides a custom UI layer and an admin dashboard widget for monitoring booking activity. Essentially, it acts as a thin bridge between your WordPress site and an external Cal.com account.

Who It's For

This plugin is best for solo practitioners, consultants, and small service businesses who already use or are willing to adopt Cal.com as their scheduling backend. It works well for sites that need lightweight booking without the overhead of a full WordPress-native appointment system, provided the Cal.com ecosystem is a comfortable fit.

Who Should Skip It

If you need a fully self-contained WordPress scheduling solution with native payment processing, staff management, and deep WooCommerce integration, skip this and choose a WordPress-native alternative. Anyone without an existing Cal.com account should also look elsewhere, since the plugin depends on that external service.

The Bottom Line

Cal.com scores 64.53/100 and is best understood as an integration layer rather than a standalone booking system. Its maintenance and compatibility are excellent, but the tiny install base, nearly absent support activity, and lack of user ratings mean you are betting on Cal.com the platform more than this WordPress wrapper. Choose it only if Cal.com is already part of your stack; otherwise, the alternatives listed offer far more proven WordPress-native scheduling.

Pick LatePoint if you want a polished, WordPress-native booking system with built-in payments and a strong 84.59 score backed by 100,000 installs.

Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin 84/100

Choose Simply Schedule Appointments when you need a mature, well-supported scheduler with deep integrations and 60,000 active installs.

Booking Calendar 83/100

Opt for Booking Calendar if you want a battle-tested, general-purpose reservation system with 50,000 installs and broad feature coverage.

Online Scheduling and Appointment Booking System – Bookly 82/100

Select Bookly when you need a feature-rich appointment suite with payment gateways, SMS notifications, and a 60,000-install track record.

WP Booking System – Booking Calendar 81/100

Go with WP Booking System if you prefer a flexible calendar plugin with 20,000 installs and strong customization for resource booking.