Hello,
Hope you are doing well.
Myself Rajat and I am an expert iOS developer with 6+ years of industry experience and have a proven track record of building highly complex mobile apps for enterprises and consumers from scratch using objective-c and swift languages. Although you haven't explained much in detail but from the details you have mentioned I can say I am the perfect match for your requirement as I have developed couple of application which had audio and voice features.
Basic Understandings:-
Users:-
-Able to login or sign up(with social media)
-Able to Music player with different filers (powerful equalizer,quick search and background skin)
-Able to browse and play your music by albums, artists, songs, playlists, folders.
-Ability to Music Player will guide you find all the music files in seconds
-Able to support all the popular music file formats
-Able to manually equalizer music styles for your choice(normal, classic, dance, folk, heavy, hip hop, jazz, pop, rock...)
-Able to automatic scanning all the lyric files and matching
-Able to background skins for your gallery photo as background
-Able to show album artwork, play/pause, skip forward in notification status
-Ability to mobile shake to play next/previous song
-Able to re-edit album and artist name
-Able to supported headset/bluetooth controls
Admin:-
-Manage application (contain management system)
-Manage User (Update/Delete/Edit)
-Manage notification
-Push update on a front end
Thanks,
Rajat