Audio Converter - Extract MP3 is a multimedia application developed by Huamei Xi for iPhone users. The program is a comprehensive audio and video conversion tool that allows users to extract audio from video and convert between various audio and video formats.

One of the most impressive features of Audio Converter is its support for multiple audio formats, including mp3, m4a, m4r, ogg, wav, flac, wma, aiff, and aac. Additionally, the program supports cutting and trimming audio, allowing users to customize their audio files to their liking.

The program also supports a wide range of video formats, including mp4, mov, 3gp, 3g2, asf, mkv, vob, mpeg, wmv, flv, and avi. This makes it an ideal tool for users who need to convert video files to audio files or vice versa.

Moreover, Audio Converter has a built-in media player that can play any format of audio and video files. Users can also set their favorite music as phone ringtones or alarm tones with the program's "Set Ringtone" feature.

Overall, Audio Converter - Extract MP3 is an excellent choice for anyone who needs a powerful audio and video conversion tool on their iPhone.