The free app, Fit2Go, provides an easy-to-use interface and enables you to adjust the sound and balance of your hearing aids.

The app is compatible with both Android and iOS devices. It is available in German and English.

The app is intended to be used by hearing care professionals. It is not intended for general use.

To use the app, you need to provide your hearing aid's serial number and the country code of the hearing aid. You will then be provided with an access code which you need to enter in the app.

After that, you can start the setup process. The first thing you need to do is to choose the device you want to configure. Next, you need to select the audio channel you want to modify. The last step is to select the settings.