Marco Arment, on the Sunrise calendar app for iOS prompting users for their Apple ID:
No app or website should ever be asking for a high-security username and password directly, especially given how much is tied to your Apple ID. What year is this?
Fully agree. Only Apple should request my Apple ID credentials. Like Marco, I’m surprised there isn’t a provision against this — I was always under the impression that Apple and Apple alone had the right to ask for your information. This tactic sets a bad precedent.
See also: Sunrise’s explanation for this. I say just use the
EventKit API for calendars/reminders.