HearingAssist is a free Android app developed by UltraDigi Hearing Technology Co. Ltd. It falls under the category of Utilities & Tools, and it is designed to optimize the parameters of your HearingAssist device according to your hearing check result. With this app, you can control your HearingAssist device's volume, mode, and frequency shaping.

The app is user-friendly and easy to navigate. It offers a simple interface that allows you to customize your device's settings to your liking. You can adjust the volume, switch between different modes, and shape the frequency response of your HearingAssist device.

Overall, HearingAssist is a great app for anyone who uses a HearingAssist device. It provides a simple and effective way to control and optimize your device's settings to match your hearing needs.