AIMP is not available for iPhone but there are plenty of alternatives with similar functionality. The best iPhone alternative is foobar2000, which is free. If that doesn't suit you, our users have ranked more than 100 alternatives to AIMP and 14 are available for iPhone so hopefully you can find a suitable replacement. Other interesting iPhone alternatives to AIMP are KMPlayer (Free), Vox Music Player (Freemium), jetAudio (Freemium) and Roon (Paid).
A free lossless HiFi audio player for audiophiles and music fans. Features include support for direct USB audio on Android 7.x, and HiByLink for lossless playback control on some remote devices, giving you a first-class music experience anywhere.