To sync your Calendars:
- Go to iOS Settings > Owaves and make sure Calendars are turned on.
- In iOS 14, go to iOS Settings > Calendar > Accounts. Add your Calendar account(s) and make sure Calendars are turned on.
- In iOS 13 or earlier, go to iOS Settings > Passwords & Accounts. Add your Calendar account(s) and make sure Calendars are turned on.
- In the Owaves app, open Settings > Manage Calendars and check the calendars you want to sync.