After I applied, the recruiter emailed me with a few groups within Apple that were interested in me. They set up 30-minute phone interviews with a person in the group.
If the interview went well, I had a second, hour-long phone interview with two or three other people in the group.
There was a good mix of technical questions and general experience questions.
The technical questions included simple questions about Objective-C memory management and related topics, as well as data structures and algorithms questions.
The following metrics were computed from 23 interview experiences for the Apple Software Engineer Intern role in United States.
Apple's interview process for their Software Engineer Intern roles in the United States is fairly selective, failing a large portion of engineers who go through it.
Candidates reported having very good feelings for Apple's Software Engineer Intern interview process in United States.