A music app is a software application that allows users to listen to, organize, and discover music on their mobile devices or computers. The app typically has a user-friendly interface that allows users to easily search for songs, artists, and albums, create playlists, and listen to their favorite tracks.

Some music apps also offer features such as personalized recommendations based on the user's listening history, social sharing options, lyrics, and music videos. In addition, many music apps offer premium subscription services that provide access to exclusive content, ad-free listening, and offline playback.

Music apps can also integrate with other services, such as smart home devices or fitness apps, to offer a more personalized and seamless listening experience. Overall, music apps provide users with a convenient and accessible way to enjoy music wherever they are.