Youtube - The app which is now a days used by everyone and is one of the most popular app. This app is totally informative, u can get every video on youtube.
Its service and support is quite good as it mantains ur privacy and donot shares it with anyone.
Information depth is one of the reason of youtube’s popularity. Youtube is very informative and it offer us to know various facts related to earth, moon, etc
Content wise youtube is average because u really get some distracting videos some of them makes u laugh like vines and some videos are bad like porn, etc
Youtube is userfriendly and it can be used by anyone and its quite easy to learn to use youtube its UI is very simple
Youtube takes a lot of time and data to load a video of 3 mins. It cant run on 2G data.
Youtube has some disadvantage also like u cant download videos of youtube
It requires a lot of data to run a video on youtube