Downloading music to your iPhone is a bit complicated, except if you install Musify. This application allows you to download songs from SoundCloud to be able to play them whenever you want, even if you don't have an Internet connection.
The best SoundCloud music at your reach.
How to use Musify?
This music application allows you to listen to your favorite SoundCloud songs and discover new music. Without having to download anything at all, you'll be able to play songs comfortably on your iPhone. Use the search engine to locate a particular song. You can listen to it right then or download it to your iPhone to play it offline.
Furthermore, Musify allows you to create playlists and use an equalizer to adjust the playback.