UNRELIABLE APP
Most of the time my music wont play or download. It used to be a great app. You could use data and download a video then play video without data. Cant remember the last time I seen an update for this app. ( easily over a year) DONT WASTE YOUR TIME until they fix and update.
dpUSN about
Instatube - Video Player for YouTube, Vimeo & Dailymotion, v5.1