Scheduling and keeping appointments and making it all work can be a feat these days. These apps or websites can go a long ways to make life simpler and easier to manage. Check them out, see which features each has. Also make sure you try them out before purchasing any one. The trial versions often do as much as you need.
Here’s the list:
https://www.rememberthemilk.com/
https://www.focusboosterapp.com/
https://www.mylifeorganized.net/
https://apps.apple.com/us/app/timetree-shared-calendar/id952578473