Comparison study between Android and iOS. Abstract.  Android and iOS have been rivals for many years with aryl still competing with each other.  These days there are more Imrie than a billion smartphone users who use Android or iOS phones. Android claims about 82.8% of the market share while iOS chiming 13.9% of the market share in 2015. The key comparator features between Android and IOS will be rated as Security, Application Market Analysis, Hardware Requirements, Platform Application Development Frameworks, etc. With a research paper, to provide conversion in between Android and DS app IOS, Convers app market, Security. 1. INTRODUCTION. Today the technology is growing because using  smartphones depending on the OS is very possible. Ille Android and IOS are the most widely used operating system. 1.1 i0S. iOS is an operating system developed and developed by Apple  only Apple hardware 171. It is the most popular Secom mobile application worn by Saks,...