Smartphones have changed the way we perceive phones today. They have intergraded regular computer features into a handheld device. Smartphones offer the functionality and features that have made our tasks easier than ever before. Whether it is keeping up with meetings, family schedules, surfing the internet, downloading documents, checking email, streaming videos, playing games, or even watching TV, nowadays smartphones enable us to do all of these tasks instantaneously wherever we are. Nowadays, it seems almost everyone uses smartphones to maintain his or her lifestyle manageable. Smartphones are rising rapidly across the globe; their capabilities are enhancing every day as new smartphones are coming into market with astonishing features and applications. The objective of this research paper is to be able to distinguish between the iPhone 4G and HTC Evo 4G’s features and design, as well as comprehending the advantages, disadvantages, future forecast, legal, and social, ethical, and security perspectives about them. The research paper walks you through the two most popular and innovative smartphones in market today by comparing their features as well evaluating them.