Classical Music - Relax Radio is a free iPhone application developed by Digitally Imported Inc. It offers 50 channels of curated classical music, covering a wide range of periods and performances by renowned artists and composers. The app stands out from other internet radio platforms by having Channel Curators, real people with a deep knowledge of classical music, who curate each station to bring listeners the best music in each style.

With Classical Music - Relax Radio, users can enjoy ad-free listening and choose between 320k MP3 and 128k AAC options for better sound quality. The app also supports CarPlay, allowing users to listen to their favorite music while staying focused on the road.

Other features include an easy-to-use styles list for exploring different channels, the ability to stream music in the background while doing other tasks, the option to like or dislike tracks, control audio and view track titles from the lock screen, and the ability to save favorite channels for quick access. The app also offers a sleep timer feature for falling asleep to music without draining data, as well as the ability to set data streaming preferences for cellular vs. WiFi networks.

Classical Music - Relax Radio also allows users to share their favorite tracks and channels on social media platforms like Facebook and Twitter, or via email. There is also an optional buffer bar with data display to help users keep track of their data usage.

Overall, Classical Music - Relax Radio provides a comprehensive and user-friendly platform for classical music lovers to discover and enjoy a wide variety of curated channels.