Apple’s mobile operating system, iOS is a standard bearer like all of their products. iOS is unique because the technology powering the software is a different platform all by itself. Apple’s commitment towards setting new benchmarks shows clear reflection in iOS. The design, usability, functionality and vision of the software combined with the aesthetics of the phone has set it miles apart from its competitors. The flawless integration of the iOS software with the phone hardware is able to please the toughest of niche customers with varying user biases. iPhone is being the industry leader in the space of mobile phones, it has the highest market share in the USA & climbing market share in Europe. The brand name is so popular and has most demand in developed & developing countries, iPhone apps are more in demand. The iPhone users are different than other customers. They are ready to spend money on premium services either it fulfills their need or it enhances the level of luxury. A study reveals that a person spend average 3 hours on their iPhone every day & it implies that there are a large number of potential customers for your iOS apps. A well purpose served iPhone app with user-friendly and convenient UI/UX will drive you more customer, money & reputation.