If you are not satisfied with the sound system your mobile has, or the volume it can reach, then our ‘Increase High Volume Booster’ app is just made for you. The ‘Increase High Volume Booster’ app is just made for people who are not satisfied with the sound and volume of their mobile devices. We have made this app so reliable and easy to fit in your devices that it doesn't need much space and also does the work without much permissions to be allowed. The app will increase or boost the volume of your phone. Features: About 7+ Themes to Select from. Options for increasing volume to 125%, 150%, 175%, and even 200% (double). An inbuilt play music from library option. The app is lightweight and is easily operable, you can notice the volume change with just simple clicks.