HQplayer vs roon?

I have iTunes, and it downloads in aac. Does either hqplayer or roon metadata aac music files? If not then conversion to flac might be in order, but aac is lossy and the thought of converting the files sounds like further SQ loss may occur.

I am wanting a good navigation software with metadata. If the two are comparable, then it is a no brainer as the hqplayer is $171 and the roon is $495