Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature currently requires accessing the site using the built-in Safari browser.
Normal
I have used appointment-plus for service scheduling in the past and it works really well. It has an allotment function in it so you can prevent the overbooking issue you have currently having. It's inexpensive to use and easy to set up. Hope that helps.