The sound quality should be the same for whatever DAW you’re using Ruffers. I’ve not tried Logic, but I’m guessing it’s probably quite similar in functionality to Reaper. Your sound quality will be determined more by your equipment, recording space, soundcard/audio interface and then Logic/Reaper/Abelton whatever should just play that back on whatever track you drop it in at the same quality level as it entered your pc/laptop.
I’m not quite sure how you’ve been using soundcloud in your collaborations, but I’ll just put whatever mixdown I’ve been sent on dropbox into my DAW, record my parts and then send wav files of each individual solo’d part back to my collaborator to drop into their master session. So you’re not getting loads of different mixdowns building on top ofeach other. Can take some time getting people in different rooms to sound in the same place on a song, but depending on the collab I’ve either added the processing myself and sent a file with compression/eq/reverb whatever or just sent the raw unprocessed files so that the collaborator can process them all as a group.
I’m guessing you might have been using soundcloud in a similar kind of way? It streams at a lossy bitrate, but if you enable downloads then you can download the original file quality. You might find dropbox a bit easier man.