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Booking calendar, Appointment Booking System

by wpdevart · Booking & Events

Also makes 13 other plugins · 43.9K+ installs across the portfolio →

Booking calendar plugin is an awesome tool for creating appointment booking calendars and Scheduling systems in a few minutes.

Try it live opens a temporary test site in your browser, which can take about 20 seconds to load. Plugins that rely on outside services or a full server may not work completely there.

⚠ Open vulnerability

Health

B 70/100

Open vulnerability

Active installs

3K+

≈3.9K estimated

Momentum

-13%

downloads vs prior 30d

Biggest opportunity: “appointment booking”, “booking” and “booking calendar” aren't earning a slot. You list them, but you're not in the first 24 results for those searches. WordPress.org counts only your first five tags, so free the slot for a search you can win.

How scoring works →
70 Health · B
Maintenance 82/100
Rating quality 90/100
Support 70/100
Security 0/100

70 health vs 69 average across 1,838 Booking & Events plugins

Install conversion

How it's measured →

0.5%

of downloads still active

At least 3K of 599.6K lifetime downloads are still running, below its category: the median Booking & Events plugin keeps 0.8%, across 940 plugins.

Downloads count every update, not just first installs, so older and more frequently released plugins read lower. Compare against other Booking & Events plugins, not across the directory. wp.org reports active installs as the bottom of a band, so the real rate is this or higher.

This plugin shipped 6 releases in the last 12 months, and every existing install that updated counted as another download. wp.org publishes no split between first installs and updates, so we show the raw rate rather than guess at one.

Details

Version
3.2.36
Last updated
7mo ago
Added
2015-12-13 · 10 yrs old
Requires WP
3.4.0
Tested up to
6.9.5
Requires PHP
—

Directory ranking optimization

How it's scored →

How well this listing is tuned to rank in WordPress.org search, on the factors an owner controls. Not popularity, optimization.

95 / 100

Excellent listing optimization

Well tuned across the board

Update recency 92/100

Updated 222 days ago, past the ~180 days where wp.org starts discounting

WP compatibility 100/100

Tested up to WordPress 6.9.5, the current branch or newer

Rating quality 89/100

4.6★ over 115 reviews, smoothed to 4.45★

Listing tuning 100/100

5 of 5 tags set · short description in place

Daily downloads

Since 5 Oct 2022 · 1,396 days · wp.org + Plugin Pulse archive

-13% vs prior 30d
4631 Jul 2026

30-day downloads

Rolling 30-day volume · peak 10.9K · peaks are release surges

95631 Jul 2026

Directory rank vs rivals

wp.org popularity rank over time · higher is better · when a rival's line climbs above yours, they've overtaken you

Booking calendar, Ap · #3708youOnline Scheduling an · #655Time Slot · #13523Easy Booked · #15352

Rating trend

Star average over time · dips mark rough releases

4.631 Jul 2026

Update activity

How busy the existing users are, measured as downloads in the last 30 days for every 1,000 active sites. A spike means a new release everyone's pulling; a long, slow decline means an aging user base that updates less.

31931 Jul 2026

Release cadence

Actively maintained
from wp.org release tags

How often this plugin actually ships. A steady rhythm is the maintenance signal a single "last updated" date can't show.

6

releases in the last 12 months

7mo ago

latest release · v3.2.36 · 23 Mar 2026

256

tagged releases on record

Recent releases

3.2.36 · 23 Mar 20263.2.35 · 12 Feb 20263.2.34 · 2 Feb 20263.2.33 · 29 Jan 20263.2.32 · 7 Jan 20263.2.31 · 3 Dec 20253.2.30 · 13 Aug 20253.2.28 · 23 May 20253.2.27 · 23 May 20253.2.26 · 5 May 20253.2.25 · 17 Feb 20253.2.24 · 10 Feb 20253.2.23 · 3 Feb 20253.2.22 · 27 Jan 2025

What its installed base runs

via wordpress.org

Share of active installs on each version of this plugin · 97% run the current release. Green is the current release; a big slice on older versions is a user base that has stopped updating.

v3.2 97%
Older / other versions 3.2%

Estimated active installs

The public count shows “3K+”. Our estimate pins where the real number sits.

tracked estimate
3K–4K ≈3.9K

Crossed into this band 4 months ago and the previous band took 2.4 years to cross, so the real count is still just under 4K.

Install history since 1 Jan 2016

3K31 Jul 2026

Recent reviews

All reviews on wp.org ↗
  1. ★★★★★ lukassarga
    2.3y ago

    Awesome plugin and support

    Read on wp.org ↗
  2. ★★★★★ Antonio
    2.8y ago

    The plugin performs its function 100% and after an initial configuration error on my part, the assistance from the developers was exceptional and led me to the solution, solving my problem, allowing me to use the plugin correctly

    Read on wp.org ↗
  3. ★★★★★ Kimbot
    4.1y ago

    This is a very good booking calendar plugin for WordPress. Easy to set up, easy for the end user to work with and great support when you need it. All good! Thank you.

    Read on wp.org ↗
  4. ★★★★★ Blurst
    4.1y ago

    I tried to get it to work, but was unable to select dates from the calendar, and there is no way to enter them manually. I was probably a bit hasty, in my review. I’ll be more diligent next time. I guess you have to manually specify the available dates ahead of time. Sounds like that might work for some applications. I’ll keep looking for something more suitable. This topic was modified 3 years, 10 months ago by Blurst.

    Read on wp.org ↗
  5. ★★★★★ chradda
    4.3y ago

    Best Support, best service

    Read on wp.org ↗
  6. ★★★★★ pinca
    4.6y ago

    Guys have helped me a lot and provided me with everything I needed. I can only recommend.

    Read on wp.org ↗
  7. ★★★★★ fwehb
    4.9y ago

    Found this plugin and tested it in the free version. It was easy to install and intuitive in administration to me. Decided to buy a pro version for the hours functionality we needed. After installation and customization we found a small slightly annoying misplaced hover and asked support. With fast reaction times, and a straight forward way to the solution we banned that in 2 days. Thanks to the team!

    Read on wp.org ↗
  8. ★★★★★ marantz9
    5.0y ago

    the function i need is 1. Is it possible to cancel a reservation without registering as a member? 2. Is it possible to limit the number of people by day and time? 3. Is it possible to write html? Of the two, the most important is 1 and 2

    Read on wp.org ↗

Latest updates

via wp.org changelog

Recent releases and news for this plugin

  1. — Version 1.0.0 Initial version. 1.0.0
  2. — Version 1.0.1 Bug fixed. 1.0.1
  3. — Version 1.0.2 Bug fixed. 1.0.2
  4. — Version 1.0.3 Fixed notices. 1.0.3
  5. — Version 1.0.4 Fixed bug. 1.0.4
  6. — Version 1.0.5 Added animations. 1.0.5

Security history

via Wordfence Intelligence

5 open vulnerabilities affect the current version (3.2.36). 18 of 23 disclosed are patched.

  1. 2026-08-18 CVE-2026-73395 Authorization Bypass Through User-Controlled Key Affects <= 3.2.36 No patch available
  2. 2026-08-17 CVE-2026-14334 Improper Neutralization of Input During Web Page Generation Affects <= 3.2.36 No patch available
  3. 2026-08-14 CVE-2026-8840 Missing Authorization Affects <= 3.2.36 No patch available
  4. 2026-07-02 CVE-2026-57778 Missing Authorization Affects <= 3.2.36 No patch available
  5. 2026-03-18 CVE-2026-25435 Improper Neutralization of Input During Web Page Generation Affects <= 3.2.36 No patch available
  6. 2025-12-15 CVE-2025-67574 Missing Authorization Affects <= 3.2.30 Patched in 3.2.31
  7. 2025-07-01 CVE-2026-15289 Improper Neutralization of Special Elements used in an SQL Command Affects <= 3.2.17 Patched in 3.2.18
  8. 2025-01-06 CVE-2024-12077 Improper Neutralization of Input During Web Page Generation Affects <= 3.2.19 Patched in 3.2.20
  9. 2024-12-23 CVE-2024-10856 Improper Neutralization of Special Elements used in an SQL Command Affects <= 3.2.19 Patched in 3.2.20
  10. 2024-11-25 CVE-2024-9504 Unrestricted Upload of File with Dangerous Type Affects <= 3.2.15 Patched in 3.2.16
  11. 2024-01-27 CVE-2023-24407 Missing Authorization Affects <= 3.2.3 Patched in 3.2.4
  12. 2023-10-29 Improper Neutralization of Special Elements used in an SQL Command Affects <= 3.2.11 Patched in 3.2.12
  13. 2023-09-12 Improper Neutralization of Special Elements used in an SQL Command Affects < 3.2.9 Patched in 3.2.9
  14. 2023-04-19 CVE-2022-47428 Improper Neutralization of Special Elements used in an SQL Command Affects <= 3.2.6 Patched in 3.2.7
  15. 2023-01-27 CVE-2022-47438 Improper Neutralization of Input During Web Page Generation Affects <= 3.2.3 Patched in 3.2.4
  16. 2023-01-27 CVE-2023-24373 External Control of Assumed-Immutable Web Parameter Affects <= 3.2.3 Patched in 3.2.4
  17. 2023-01-27 CVE-2023-24388 Cross-Site Request Forgery Affects <= 3.2.3 Patched in 3.2.4
  18. 2022-11-21 CVE-2022-3982 Unrestricted Upload of File with Dangerous Type Affects <= 3.2.1 Patched in 3.2.2
  19. 2018-06-07 CVE-2018-10363 Improper Input Validation Affects <= 2.2.2 Patched in 2.2.3
  20. 2018-01-12 CVE-2018-5673 Cross-Site Request Forgery Affects < 2.1.8 Patched in 2.1.8
  21. 2018-01-11 CVE-2018-5670 Improper Neutralization of Input During Web Page Generation Affects < 2.1.8 Patched in 2.1.8
  22. 2018-01-11 CVE-2018-5672 Improper Neutralization of Input During Web Page Generation Affects < 2.1.8 Patched in 2.1.8
  23. 2018-01-11 CVE-2018-5671 Improper Neutralization of Input During Web Page Generation Affects < 2.1.8 Patched in 2.1.8

Vulnerability records provided by Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. License and terms.

CVE records: Copyright 1999-2026 The MITRE Corporation. CVE terms of use.

Behavioral tests

via WP Hive

Automated install-time checks, tested on PHP 8.1.12 · WP 7.0.1

✓ Low memory footprint
✓ Low page-speed impact
✓ Runs on latest PHP + WP
✓ No PHP errors
✓ No JS errors
✓ Activates cleanly
✓ No resource errors
✓ No external HTTP errors
✓ Optimized database use
✕ Frequently updated

Languages

via translate.wordpress.org

Translated into 9 languages, 1 at 90% or more

Dutch (Belgium) 100%
Russian 58%
French (France) 47%
German (Formal) 35%
Ukrainian 33%
Spanish (Spain) 20%
Czech 19%
German 17%
Italian 1%

AI assistants

How it's measured →

Whether ChatGPT and Claude name this plugin when asked the category question, and whether the readme gives them something to quote.

Not measured yet for this plugin’s topics. Its tracked searches are not among the measured topics. See the topics measured so far.

Readme readiness

Can an assistant quote this readme? Eight deterministic checks over the wp.org listing, no model involved.

Not checked yet. The readme could not be read from WordPress.org on this visit.

Growth timeline

Install-tier crossings we have observed, and how long each tier took to outgrow

  1. 2026-07-14 4K+ → 3K+ down after 860 days in tier
  2. 2024-03-06 3K+ → 4K+ up after 53 days in tier
  3. 2024-01-13 4K+ → 3K+ down after 308 days in tier
  4. 2023-03-11 5K+ → 4K+ down after 191 days in tier
  5. 2022-09-01 6K+ → 5K+ down after 672 days in tier
  6. 2020-10-29 5K+ → 6K+ up after 161 days in tier
  7. 2020-05-21 6K+ → 5K+ down after 262 days in tier
  8. 2019-09-02 7K+ → 6K+ down after 347 days in tier

Competes with

The plugins that solve the same job, ranked by shared tags then reach, closest match first. The letter on the right is each plugin's health grade (A best, F worst).

Embed this report card

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Preview card ↗

Booking calendar, Appointment Booking System: 3K+ active installs, 4.6★ (115 reviews). Plugin Pulse (WP Mayor), as of 2026-10-31. https://plugins.wpmayor.com/plugin/booking-calendar

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