Volume Booster - free amplifier app to boost music

Volume Booster is an elegant free app for volume control and adjustment for music and video. You can use it to boost or decrease sounds of videos and audios. And you can even easily transform video or audio formats with it!

FEATURES:
- Boost sound volume up to 10 TIMES
- Decrease or mute sound volume
- Add and edit files from your device and Dropbox
- Transform files formats into mov,mp4,mp3,aac,m4a…
- Cut and save audio from videos
- Save and Share your edited files