I am jio sim for about a month, apps of are jio are quite interesting one of the app is jio music. jio beats is now jio music. Earlier I was using wynk as music app but it does not allow to download music if you are not a subscriber which was worst thing as you are using data for listening music, but jio music you can download music which u like and also jio is providing free data for 3 months and free subscription for each and every app of jio which is best thing. I had downloaded around 400 of songs in jio music and can listen offline.