Introductory initial phone call at the end on code pad they ask you to create a tableview and a simple method in Objective-C Apparently some of code base still Objective-C. And they use Storyboards so study for that before going into interview they keep asked about storyboards. 5 hour panel 1st Hour, screen create a tableview and detail view only using storyboards, dont do anything in ViewControllers 2nd Hour Peer Review followed by a leetcode easy question 3rd hour Hiring Manager behavioral 4th hour another behavioral with a random eng 5th hour probably the longes one, where you find issues in app that has been developed using both Objc and Swift , it starts with an objective-c method blocking main thread, how to improve that, the finding 2 memory leaks. Study threads, ui updating and finding retain cycles