The Hear Boost Sound Amplifier is a simple and practical app that allows you to boost your sound to a comfortable level.  With this tool, you can now hear conversations clearly without having to strain your ears. It boosts quiet noises while maintaining the overall volume level during a phone conversation and adapts the sound to be more understandable in any noisy environment. Using your smartphone, you can place and receive calls with captions. The app also features a private chat and calling feature so you can speak to someone discreetly without being concerned about someone else overhearing you. It is very simple and easy to use and is a functional app for people with hearing problems.