Appointment Booking Calendar vs Cal.com (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Appointment Booking Calendar
1.0K+ active installs
Free
Quick Verdict
As of April 2026, Appointment Booking Calendar has a higher user rating (4.2/5 from 92 reviews) and leads in active installations (1.0K+ vs 1.0K+). Both are free WordPress plugins. Appointment Booking Calendar has accumulated 473K+ total downloads while Cal.com has 9.3K+.
Detailed Comparison
| Metric | Appointment Booking Calendar | Cal.com | |
|---|---|---|---|
| Rating | 4.2/5 | ◄ | 3/5 |
| Total Reviews | 92 | ◄ | 2 |
| Active Installs | 1.0K+ | 1.0K+ | |
| Total Downloads | 473K+ | ◄ | 9.3K+ |
| Support Resolution | N/A | 0% | |
| Last Updated | 1 month ago | ► | 2 weeks ago |
| First Released | 2012 | 2022 | |
| Age | 14 years | 4 years | |
| WP Requires | 3.0.5+ | 4.6+ | |
| PHP Requires | false+ | 7.4+ | |
| Business Model | Free | Free | |
| Latest Version | 1.3.99 | 2.0.0 |
Rating Breakdown
Appointment Booking Calendar
Cal.com
Download Trends
Over the past 30 days, Appointment Booking Calendar averaged approximately 22 daily downloads while Cal.com averaged 48.
Recent Reviews
Appointment Booking Calendar Reviews
Works as it should
The plugin works exactly as it should, and we have been satisfied with it for years. Support is straightforward and fast.
Almost Perfect
This is a really great plugin.
Simple and complete
I am new to it so I am still in discovery mode but the page created with booking calendar is working as I was expecting. Need to dig a little bit for multiple booking in the same time slot though.
Cal.com Reviews
Does not Work
This hasn’t been tested for WordPress version 6.9 and it didn’t work when I installed it. I just got “Error Code: 404. Call Link seems to be wrong.” and couldn’t resolve the issue. I suggest trying an
My favorite calendar tool now has a killer WP plugin
If you haven’t heard of Cal.com, they’re a killer open-source alternative to Calendly (cal.com is a much better product design and UX wise, imo). They just launched a WP plugin for easy integration o
More Appointment Worth Comparing
Top alternatives in the same category as Appointment Booking Calendar and Cal.com
Add Booking system to your WordPress site and manage Appointments with ease. Extremely flexible time management and custom email notifications.
Appointment Hour Booking is a plugin for creating booking forms for appointments with a start time and a defined duration within a schedule.
Booking Package is the simplest solution for integrating an online appointment booking calendar system and event calendar into your WordPress website.
Embed Calendly scheduling pages in WordPress and optimize your booking flow with analytics, availability indicator, and conversion tools.
A simple and flexible WooCommerce booking & reservation plugin to manage dates, availability and pricing on your products.
MotoPress Appointment Booking makes it easy for time and service-based businesses to accept bookings and appointments online.
Frequently Asked Questions
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.