micOnTrax: Midi Audio Player transforms your iPhone or iPad into a versatile music karaoke player, ideal for singing, playing, or practicing with your backing tracks. With the ability to listen while performing using earpods, external microphones, or other audio devices, you can enjoy real-time audio effects and adjust track and microphone volumes through the included mixer.

This multimedia app supports various file formats including Mid, Kar, Mp3, Wav, Mp4 Mov video, CDG files, and Zipped CDG. It offers features like real-time audio input monitoring with adjustable effects, eq, dynamic compressor, and voice harmonizer. You can record, modify, share, and export audio sessions, import songs via iTunes file sharing, and play files directly from external drives or iCloud Drive.