YouTubeMP3
YouTubeMP3 allows you to download as mp3 files you want.
it has a nice interface and easy to download from it
how it work :
- in YouTube app , Choose your video , click share and , choose youtubeMP3 (easy)
-Open YouTubeMP3 , Choose your video , click on download (easy)
A How to Video will be soon
-Info :
This application does not allows you to download videos longer than 20 minutes .
Download :v3.0
Thanks:
-Stackoverflow for providing some solution