App link given in last

Snap tube- the you tube downloader is the simplest tool to download any video from you tube in easy and fast way
 

This app has several search options, including a catalog with 11 subcategories, a section for popular videos, a section for videos with the most views, plus daily recommendations
 

You can choose the quality of the download to save space on your phone's memory. You can also choose to download only the audio, which is useful when you just want to save a song or an album. Recent updates also allow the download of Facebook and Instagram videos
 

You can see the reviews how good this application is.

App link-  http://bit.ly/1TdyihD

See the reviews  how good this application is