Thanks guys for your contributions- some useful, some not so much because as far as I know Tidal is the only hi res streaming service available in Australia. Amazon HD and Qobuz are not yet available and may not be in my lifetime as I am 79. In terms of hardware most of the usual suspects were mentioned with their attendant software. However, like many streamer reviews available there was little detail about how the apps handle classical music. I don't know what "integrates well with Tidal" actually means - does it mean you can actually use the Tidal app from an iPhone? As for Roon I know it's reputation but I don't want to pay another annual subscription if I can help it as I don't want much of what Roon provides. My needs are simple, so let me pose more straightforward questions about apps only
1) How do the apps mentioned list classical albums saved in Tidal My Collection? A-Z, artists, soloists, composers etc and are the lists based on last names, first names or as I have seen the first letter that appears on the album? Listing by artist is fine for pop, rock or jazz but it tends to be more complicated for classical albums, as you have composer, soloist, orchestra or conductor to consider.
2) Is there a search function for Tidal My Collection - not just for the whole Tidal library offering?
I don't think most software engineers have any idea about cataloguing classical music and would benefit greatly from the assistance of professional library cataloguers. If my ideal app is out there I would like to know.
Back to the actual streamers most of those mentioned are on my possible list, although I don't think Bluesound Node 2i quite cuts it even if it is good value for money. Maybe it doesn't matter if it is plugged into a good external DAC. I don't know but I'm sure someone out there has a view.