Vault 2

I use an iPad most of the time due to the larger screen, but I have the BluOS app on my iPhone as well.
 I have my cd collection loaded into the Vault plus a Tidal hi Fi subscription.  Everything works great and navigation is intuitive.

Blue vault good for a $1000 but not Thst great sounding ss6 vs the Lumin D2 
or Aurelic . Depending if $1k is your max budget 

ThanxI Iam a newbie to steaming.

My Vault2 works the same with Android And iOS devices

Love mine. I just use my iPhone - it’s easy peasy. Can’t speak for anything phone or tablet other than apple products. I haven’t tried anything hi res as I have been very happy with Tidal HiFi and my own collection of CDs I have ripped.

What are you using for a DAC? If you’re only using the DAC within the Vault, I’m not sure it’s worth spending the money on hi res downloads as Tidal is just fine.