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WordPress pluginwhat they say

Booking Calendar

WP Booking Calendar plugin for full-day bookings, time-slot appointments, rentals & events. Accept bookings and inquiries with flexible contact forms

★★★★★4.8 (657) · 40k+ active installs
Free
Website ↗ WordPress.org ↗
what mrrlens sees
MRR · No price listedNo price in the listing
Opportunity—
Buyer threads · 30 d0
“I can’t find anywhere the options for time slot”
#1 complaint · UX · 2 of 4 complaints read · analysed Oct 29, 2026 · source

01Revenue

No price in the listing

2 daily snapshots · growth 30 d: —

Store data from the WordPress.org listing, refreshed daily. Updated 13 h ago. Listed since 2009.

02Why users leave Booking Calendar

5★91%
4★3%
3★1%
2★1%
1★4%
UX2 reviews · 2 of 4

Users cannot find where to configure time-slot booking options in the plugin interface.

“I can’t find anywhere the options for time slot” source ↗
1 more complaint, with verbatim quotesIncluded in the day pass and Pro.
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Sample: 4 recent complaints (1–3★ reviews) · clustered Oct 29, 2026 · complaints from Nov 2019–Sep 2026, 25% in the last 24 months — mostly history · each review labelled by a model, quotes verbatim

03How to build a better Booking Calendar

Build difficultyMediumWordPress compatibility, calendar/time-slot logic, and admin UX matter; no payments, regulation, hardware, or network effects.
Three build ideas that answer these complaintsIncluded in the day pass and Pro.
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04Who wants a better Booking Calendar

0 buyer threads in the last 30 days name Booking Calendar.

05Questions about Booking Calendar

How much revenue does Booking Calendar make?

Booking Calendar's listing publishes no price and no paid plan, so MRRLens shows no revenue estimate. It may still charge on its own website; a founder can verify the real figure.

What do users complain about most in Booking Calendar?

Across 4 recent complaints, the most common is ux (2 of 4). Users cannot find where to configure time-slot booking options in the plugin interface.

What are the best Booking Calendar alternatives?

The closest alternatives MRRLens found are WP Booking System, WPS Bookings for WooCommerce and Appointment Hour Booking. The full list, with why users leave, is on the Booking Calendar alternatives page.

How many people use Booking Calendar?

Booking Calendar lists 40k+ active installs on WordPress.org, rated 4.8 (657).

See the full x-ray of Booking Calendar

Full 1-star breakdown with verbatim quotes, the build blueprint and every live thread — on every product.