1. Multiple choice questions - Mostly on ios so be prepared objective - c in depth 2. Multiple ios technical rounds 3. White board session - Be prepared with logical and data structure questions 4. Coding round is option - you may have to prepared a sample application 3. HR round

I was given a take home code test where I needed to develop a "Master-Detail" style app in swift. Then did a google hangout with two of their iOS engineers. They asked questions about different iOS concepts and technologies leaving me to expand as little or as much as i wanted on them.