It's necessary to build a mobile app If you are an Entrepreneur, but the thing is you don't know some points like, "Which type of app do you need? What the perfect platform for the app?" and many more. But when you are going to choose a particular one platform like iOS, then other popular platforms may remain left like android, blackberry. So now you think that what should I do now? Just chill, technology gets so far. With the help of cross-platform app development which is very popular trends now, apps are developed & deployed across all the platforms as well as reduce the time, cost and one-time code. However, every technology has its pros and cons which we are going to discuss in this tutorial.