Appointment Booking Calendar vs Online Scheduling and Appointment Booking System
Two WordPress plugins head to head: ranking, active installs, downloads and ratings, from our daily tracking of the WordPress.org directory.
These aren’t all alternatives to each other — they do different jobs — so this page compares popularity only, not features.
At a glance
Online Scheduling and Appointment Booking System leads the WordPress.org popular list today at #650, ahead of Appointment Booking Calendar at #6,106. Over the last 7 days Online Scheduling and Appointment Booking System held its place and Appointment Booking Calendar climbed 22 places. Online Scheduling and Appointment Booking System has the largest install base, roughly 60× the next: 60K+ active installs against 1K+ for Appointment Booking Calendar. Downloads this week: Online Scheduling and Appointment Booking System 25,170 and Appointment Booking Calendar 1,309. Ratings: Appointment Booking Calendar 4.2★ from 92 and Online Scheduling and Appointment Booking System 4.4★ from 585 reviews.
| Metric | Appointment Booking Calendar | Online Scheduling and Appointment Booking System |
|---|---|---|
| Popular rank today | #6,106 ▲ 22 | #650 ▬ |
| Active installs | 1K+ | 60K+ |
| Downloads, last 7 days | 1,309 | 25,170 |
| Rating | 4.2★ (92) | 4.4★ (585) |
| Last updated | Oct 16, 2026 | Oct 13, 2026 |
| Current version | 1.4.06 | 28.6 |
| Best rank on record | #6,103 | #640 |
| Days in the top 50 | 0 | 0 |
| On WordPress.org since | Nov 2012 | Oct 2014 |
Highlighted cells mark the strongest figure in each row. Rank and installs are from the latest WordPress.org capture; downloads are the last seven captured days.
Ranking history Lower is better
Active installs
Downloads per day
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- Online Scheduling and Appointment Booking System vs Amelia
- Online Scheduling and Appointment Booking System vs Simply Schedule Appointments
- Online Scheduling and Appointment Booking System vs Booking Calendar
- Online Scheduling and Appointment Booking System vs Easy Appointments
Frequently asked questions
Which is more popular, Appointment Booking Calendar or Online Scheduling and Appointment Booking System?
By active installs, Online Scheduling and Appointment Booking System: 60K+ sites run it against 1K+ for Appointment Booking Calendar, according to WordPress.org figures captured on October 19, 2026.
Which ranks higher on WordPress.org, Appointment Booking Calendar or Online Scheduling and Appointment Booking System?
Online Scheduling and Appointment Booking System, at #650 on the WordPress.org popular plugins list today, with Appointment Booking Calendar at #6,106. The ranking reflects recent installs and moves daily, which is why this page shows the history rather than one snapshot.
Are Appointment Booking Calendar or Online Scheduling and Appointment Booking System alternatives to each other?
Not all of them. Some of these plugins do different jobs and many sites run more than one. This page compares their popularity, not their features.
Where do these numbers come from?
WordPress.org publishes each plugin’s active install count and its position on the popular list. This site records both every day, along with per-day downloads and ratings, so the charts above show how the plugins have moved over time rather than a single day.