We will probably end up using the one by WooCommerce because it will integrate best with your eCommerce store I have set up. This is what it would look like if you used that Square App and it also allows bookings from Instagram, Facebook and more. Many more to check out! WooCommerce Bookings WooCommerce Appointments EDD Bookings Bookly Appointment Booking Calendar by BirchPress Booked Booking Calendar Amelia Booking Calendar – Appointment Booking System Appointment Booking Calendar Team Booking MotoPress Hotel Booking Salon Booking System CM Booking Calendar Booking & Appointment Plugin for WooCommerce