Why do you think a mobile app becomes successful? Why do you think certain mobile apps are not liked by people and certain mobile apps make it to the top of the industry? Well, the reason is simple. The mobile apps that provide you with services that are valuable for you are the ones that you decide to use and this makes them successful. If you know how to create an app like snapchat then you need to understand that there are many reasons behind the success of a mobile app. If you know as a developer that what your users want then you can create an app that has a very high chance of success, do you agree?