MarcinX LDAC for Spotify is useless since the music file there are MP3 files which can only top out to a max of 44.1kHz/16bit 320Kbps (Very High Quality) Lossy Compression. LDAC can reach upto 96kHz/24bit 900Kbps which is very high compared to standard codecs like AAC, SBC, APTX (44.1/16 : 320). If you listen your music with max details and stuff, buy LDAC version and Apple Music!