As per ComScore&rsquo;s report, mobile app millennials don&rsquo;t like to browse through the apps that look uncool on their mobile screens. The reports suggested that 21% of millennials disposed of the apps from their phones this year. For millennials, it is the designing that must appeal to them. In case, it fails they won&rsquo;t care even to have a look on the application. Meanwhile, Snapchat is all set to come back with a bang to catch up with its all time rival Instagram. These image messaging apps are neck-to-neck rivals when it comes to mobile app penetration among adults aged between 18-55. In its new ranking in the list of most used mobile apps, Instagram moved three spots up from its last year ranking, &nbsp;while Snapchat moved up to 13 spots, ComScore added.However, when it comes to usage, 18-24 years old users use these apps the most. And in terms of popularity, Snapchat is ranked third, Facebook is the second and YouTube being the number one, suggests the report. It has also been found that apps that seem most essential to the users find their place directly to their home screen. It gives an easy access to them, suggested the report. Other Factoids:Smartphone users have been seen spending 87% of their total day time over the smartphonesTelegram, Flipboard, Goodreads, The Score, and Wattpad are among the app category that users consider &ldquo;hidden gem&rdquo; among a variety of other apps, suggested the reportThe majority of app users, on a monthly basis, access 20 or fewer apps. Younger users are very much likely to exceed the numberHowever, millennials hold a lot of excitement for the new apps. And, 44% of them said that they would like to access 40 apps or more than that each month. The app functionality meanwhile plays an important role in garnering the attention span of these users. For the Latest Tech News and reviews, follow MobileAppDaily on Twitter, Facebook, LinkedIN, Instagram and Flipboard.