SchedX

Subscription based schedule management and exchange. This app is for everyone whether you manage your own business or you are a client who uses services from others. You can also use this app to manage your personal schedules. If you manage multiple side hustles(say you are a tennis coach and a math tutor), then you can create multiple profiles and manage the schedules for each profile separately but see them all in one place. It also lets you filter your calendar by profile so, you can see what you want to see and when. SchedX app lets you exchange the schedules amongst its users very easily. It lets the individual business' to be able to schedule appointments with their clients and communicate effectively. Clients can find your open slots and book appointments, send request for cancellation and RSVP for an appointment.
You can sign up for SchedX as a client or business. If you sign up as business, SchedX customer service needs to verify and approve your account, until approved features pertaining to business account will not be available. Business account will also have all the client account features, and it will be available as soon as you sign up. Client account does not need approval.
If you are a client, you can create your personal schedules and share with anyone on SchedX platform. You can create private groups such as "Hiking buddies" or "Carpool partners" and create schedule which will be visible to members of the group.
Individual events can be shared with others or your entire calendar can be shared with your family.
If you are a business ask your clients to sign up at SchedX and subscribe to your business. Then you will be able to add them to your schedule. Clients will be able RSVP or request cancellation. Clients will be able to search for your available times based on your business hours and vacation schedule and sign up for your time.
If you are running a business facility with multiple staffs then you can manage the staffs and their schedule. You can designate any of your staff as owner. Owners will be able to see every staff's schedule. Each staff's personal schedule will be visible only to them.

You can manage multiple services if you are providing more than one service. For example a barber shop may have services such as 'Men hair cut', 'Women hair cut', 'Coloring','Trimming' etc.

Even if you are not running a business (like chess coach or tennis coach), if you are organizing events amongst your friends SchedX will be very helpful to manage the schedules in one place and share with everyone.

Group events like 'Sunday morning hike', 'Saturday evening pickle ball' and business group events such as 'Summer coding level 1' can be managed efficiently with up to date schedule is available to everyone and with options to RSVP and attendance management.