What's the best free iOS app for downloading music to listen offline without Wi-Fi?

Offline music MP3 is designed for users who want to download and play music without an internet connection. The app allows downloads directly to the device, making it useful for commutes, travel, or areas with poor connectivity. It supports MP3 and other common audio formats, and users can organize downloaded tracks into playlists. Reviews indicate the app performs well for playing downloaded content, with a straightforward interface for accessing stored files. However, some users report frequent ads appearing during searches or playback, which can interrupt the experience. Another noted limitation is the search function, which occasionally fails to return results even for popular songs—this appears to be a persistent bug mentioned in feedback. Despite these issues, the app remains a functional choice for offline listening, especially given its free pricing model.