Use Google Analytics to understand your user!
Google Analytics offers the best visibility for App life-time; GA provides a wide range of needed data about the whereabouts of an App since day one of its launching; which urges the developer to track the success of his product. GA’s efficiency stems from its ‘sophisticated reports’ that allows you to understand the user’s needs and how he deals with the app. These reports transparently mirrors a threefold: it shows the Active users report, demographics and interest Reports, and finally Segmentation. Particularly, segmentation is paramount to distinguish and put data in segmented patterns; it supplies you with the information about the device modal and the operating system version used. Analytics helps to perceive who are the users of your App; once these are figured you can understand the intentions of the users, their needs and what gets them to come back everytime to use your application. Source: The secret App Success on Google Play