音著协, developed by Music Copyright Society of China, is a free iPhone app designed to cater to composers, lyricists, and other music copyright holders. Established in 1992, the society aims to safeguard the legal rights of music creators and operates as a non-profit organization and collective management entity for music copyrights in China. Serving as the exclusive gateway for the International Music Copyright Protection Network in mainland China, the app allows music copyright holders to apply for membership at no cost.

Users of the 音著协 app can efficiently register their works, check usage fees, request authorized usage, and stay informed about the society's activities. Whether you are a music creator, licensee, or a curious member of the public, this app provides a convenient platform to engage with the services offered by the Music Copyright Society of China.