chrshanl37 - I recently purchased the Aries Mini and I really like it. This is the first streamer I've used so I can't comment on sound quality or functionality as compared to the other products you mentioned. But it was easy to set up, easy to use, and sounds great. I am using the digital output into a DAC. The set up and control software from Auralic is currently available for iPad from the Apple app store. You will not find it if you search on your iPhone. When I contacted the company they let me know it is currently in beta for iPhone. You have to contact them and they'll provide the link to download the beta.
1extreme - You are correct, support is currently iOS only. Auralic does a poor job of making this clear in their marketing information. Their website seems to have pretty scant details until you really dig into the q&a section. I contacted their customer support to figure out which systems & devices were being supported.
It's confusing because there are reviews and old posts on various audio forums which refer to iPhone and Android versions of their app. Auralic has since discontinued Android support entirely and iPhone temporarily. They told me they are working on a web interface for the controller as well, but no release date had been set yet.
Hope you find this info helpful.