Always Visible Volume Booster is a free Android application developed by OK soft that allows users to amplify their device's volume beyond the maximum level. This utility tool is designed to boost the volume of your device when it is too low, making it easy for you to listen to your music, videos, and phone calls even in noisy environments.

The app comes with a simple and intuitive interface that makes it easy to use for everyone. It runs in the background, and you can easily control the volume of your device by using the volume slider on the app's main screen. Moreover, the app is always visible on your device screen, so you can quickly access it whenever you need to adjust the volume.

Overall, Always Visible Volume Booster is an excellent utility tool for those who want to boost their device's volume beyond the maximum level. It's easy to use, works well, and it's completely free.