Very natural. Started with a brief intro and general description of the role and the team structure. There was more of a focus on technical ability and code over general iOS SDK questions. Very friendly and overall a very positive vibe.
Interview questions [1]
Question 1
The questions were more part of a whole coding test that was broken in to sections. Some of those sections involved implementing a solution that conformed to a specified time complexity. Also a discussion of potential data structures that could be used to solve some situations.