iOS is the most engaging and popular operating system in this world. Apple has its tagline “think different” the iPhone app developers at apple company are motivated to think differently from the world that has resulted in the apple’s amazing status in the gadget market. The devices and operating system of apple make it unique this is the reason the apple company has sold its device more than the people living on this globe. Well, the company has sold its Phones alone more than the population of earth that is 7 billion. The company has worth more than 29% in the international market.