In today’s internet world, designer and developers are the two most main staying pillars of development industry. Over 70% of people related this industry didn’t exactly have an idea about their designation and their difference, so in this article we are giving a brief idea about who is more prolific designer or developer. Firstly we discuss about designer, that who is designer and what they are concerning about. Design is how website or app is looking, the first thing that user notice is the design and color theme, whether it is website, application and game, designer can change the look of site or app and can enable users to have innovative experience, although they are the most important pillar of development Now the time for Developers that who are they and what they are concerning about, development is about the back end functionality of app or website. They are concerning about the back end coding of site or app rather than the appearance, developer can also make site or app innovative and creative and can also enable user to have great experience by using the app or site they develop. Although developers also the most important pillars of development. No one can turn down the importance of any one of them, both of them are the important pillars of development, both designer and developer can work in collaboration to give flawless result that admire both clients and users.