Why can't I add an invitees on my iPhone calendar?
When you create a reminder, you can choose to store it in iCloud or on your iOS device. If iCloud is not your default for Calendars, you'll be unable to add invitees.
When you create a reminder, you can choose to store it in iCloud or on your iOS device. If iCloud is not your default for Calendars, you'll be unable to add invitees.