Appointment Hour Booking – Booking Calendar vs OttoKit
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
OttoKit leads the WordPress.org popular list today at #493, ahead of Appointment Hour Booking – Booking Calendar at #1,655. Over the last 7 days OttoKit slipped 1 place and Appointment Hour Booking – Booking Calendar slipped 4 places. OttoKit has the largest install base, roughly 9× the next: 90K+ active installs against 10K+ for Appointment Hour Booking – Booking Calendar. Downloads this week: OttoKit 29,884 and Appointment Hour Booking – Booking Calendar 1,519. Ratings: Appointment Hour Booking – Booking Calendar 4.9★ from 524 and OttoKit 4.9★ from 123 reviews.
| Metric | Appointment Hour Booking – Booking Calendar | OttoKit |
|---|---|---|
| Popular rank today | #1,655 ▼ 4 | #493 ▼ 1 |
| Active installs | 10K+ | 90K+ |
| Downloads, last 7 days | 1,519 | 29,884 |
| Rating | 4.9★ (524) | 4.9★ (123) |
| Last updated | Oct 6, 2026 | Oct 15, 2026 |
| Current version | 1.5.99 | 1.1.42 |
| Best rank on record | #1,629 | #491 |
| Days in the top 50 | 0 | 0 |
| On WordPress.org since | Dec 2017 | Jan 2023 |
| Sites detected by our detector | 0 | 1 |
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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Frequently asked questions
Which is more popular, Appointment Hour Booking – Booking Calendar or OttoKit?
By active installs, OttoKit: 90K+ sites run it against 10K+ for Appointment Hour Booking – Booking Calendar, according to WordPress.org figures captured on October 18, 2026.
Which ranks higher on WordPress.org, Appointment Hour Booking – Booking Calendar or OttoKit?
OttoKit, at #493 on the WordPress.org popular plugins list today, with Appointment Hour Booking – Booking Calendar at #1,655. The ranking reflects recent installs and moves daily, which is why this page shows the history rather than one snapshot.
Are Appointment Hour Booking – Booking Calendar or OttoKit 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.