Music (3016 programs)
Pros: More than 300 songs.
Cons: Only for true K Pop fans. Plagued with pop up ads.
Pros: Learn new songs. Revise chords.
Cons: Contains ads. Requires in-app purchases for extended content.
Pros: Free to download and use. Endless hours of playability.
Cons: Only the playlist creator can play it. Making the perfect playlist can take time.