Your Sun Index device works as a stand-alone so that you can use it and receive notifications even without your phone next to you. However, you will need to download the Sun Index app to get set up and review your sun exposure data.
Your Sun Index device works as a stand-alone so that you can use it and receive notifications even without your phone next to you. However, you will need to download the Sun Index app to get set up and review your sun exposure data.