I've finally realized that Square Appointments does not and will not add a quantity option to the booking process. I assume this is designed to get people to sign up for a premium feature or a partner service, and I am perfectly fine with that.
However, instead of saying things like "We'll send this idea along to our feature development team," why not just be honest and say that it's available on a premium or partner level and show people what options they have?
I finally figured out that I can use Bookeo, which partners with Square. I have to pay a monthly fee, but at least I know it's an option.
