The HiBy R4 runs on Android 12, which is more than enough to run Apple Music, Spotify, YouTube Music, and other apps from the Play Store. However, when I want to do some casual listening or discover new music via the algorithm, I tend to use YouTube Music. The HiBy R4 has some drawbacksIt isn't as portable as I thoughtThe HiBy R4 has a really cool Cyberpunk-inspired design that is boxy and has aggressive edges. Why an Android DAP belongs in my pocketThe HiBy R4 made me cherish listening to music again, making me realize how many distractions my phone had. The HiBy R4 did a great job of transporting me back to my childhood and teenage years, when I enjoyed music on a Discman with incredible music quality.