I love that it's so easy for my team members who are not super tech savvy.
It also makes our life easier by allowing us to quickly create multiple schedules at once! Nothing really but if you're looking for something more robust than just creating one-off calendars this may be what you want. We have been able to streamline all of our weekly meeting planning because we can easily put them in an agenda format using harmonizely instead of emailing back and forth several times per week (we used google calendar before).