The app perform the functions of a standard SMS app, such as writing and viewing messages, and also implements integration with the Wear Tracker app using SMS commands. To fully work with SMS, the Wear Messages app must be set as the default SMS app. App has a standalone Wear OS version.
The app can also perform the function of protecting against phone spam by blocking incoming calls from numbers not in the contact list. For this function to work, the Wear Messages app must be set as the default app for Caller ID and spam protection.