Volume Booster Sound Equalizer is a free Android app developed by Pure Music MP3 Player Studio. It is a simple yet powerful app that allows you to boost the volume of your phone and tablet to the maximum level. Whether you are listening to music, playing games, watching movies, or listening to audiobooks, Ultra Volume Booster can increase all the sound volume up to 200%.

The app comes with a music equalizer with different sound levels and frequencies, a 3D Virtualizer effect, and the ability to enhance the volume of media such as videos, audiobooks, music, games, alarms, ringtones, and the system volume without affecting the sound quality. It is a sound booster for headphones, Bluetooth, and speakers, and allows the sound to run in the background or lock screen. The app also has a wonderful visual sound spectrum and pleasant stereo surround sound effects, built-in music player controls, and a user-friendly operation. No root is required to use this app.