What does the company do well? They make it super easy to set up a calendar link that you can send to anyone to schedule a meeting or phone call with you. You can easily set up your availability in their system, then link it to your Google Calendar or other ones you might use too. Importantly, it's very easy for the person you want to have an appointment with to push a couple buttons & have the appointment scheduled & added to their calendar too.
What does the company not do well? Nothing really. It's a simple, utilitarian app that does exactly what it claims to do, and does that one thing better than anyone else.
What do you wish you had known about the company before using? Nothing. Their software does exactly what it claims to do.