Volume Master - Dial in the sound of your music player with a control booster
iOS Universal Utilities
Volume Master gives you fine grained control of your volume that is unmatched by the built-in iOS system control.
* Fine-grained volume control in increments of 0.1%, 0.5%, 1.0%, 5.0%, or 10.0%
* Control the volume using the slider or digital buttons
* Create playlists and play music without leaving the app
* Can be used with the built-in Music app
* Play, pause, next, and previous can all be done within Volume Master without switching to the Music app!