Easy Volume Booster gives you the best volume booster and easiest way to control all your volumes of your phone's audio devices. Quick boost with one tap on the button. Switch to silent or vibration mode with just one touch. which will increase your overall sound by 50-80% depending on your device. Simply press the Boost button.Easy Volume Booster Simple, small, free app to boost your speaker or headphone sound volume. Useful for movies, audio books and music.