Learn why double bookings happen in WordPress and how to stop them with calendar busy-time blocking, buffers, notice rules and a final server-side check.
Add free appointment booking to WordPress in about 5 minutes: install Creavi, create a service, set your availability and embed it with a shortcode, block or Elementor.
Creavi combines a polished booking calendar with flexible availability, calendar connections, reminders, custom forms, timezone handling and built-in video meetings. It is free and has no plugin-imposed booking limits.