iPhone has always catcher much more attention of customers with itsextrodinary features and higher price. It is equipped with iOS, the second most popular operating system in the world. iOS which was previously called as iPhone OS is ruling in market from a long time and there is a higher demand of iphone applications. The apps are developed with the use of general purpose, open source and multi-paradigm Swift language. The major feature of Swift is that it is safe by default.With the growing market of smartphones there is a rapid advancement in technology. People are preferring to buy smartphones and do their official work on it. Smartphones are dominating other gadgets and increasing the competition between organizations. The modern business world is undoubtedly focusing on creating innovative apps to solve daily life problems.