iOS brings iPhone and iPad to life in incredibly personal and powerful ways. The interface is beautiful and easy to use. Intelligent suggestions appear just when you need them. And advanced technologies protect your privacy and security. Once you ve experienced iOS, you ll understand why so many people love using iPhone and iPad.64-bit architecture. Four-core design. Over 3.3 billion transistors. Translation: iPad is incredibly fast. Which comes in handy when you want to edit a 4K video, play graphics-intensive games or experience the latest augmented reality apps.