Google Advertising ID is a piece of universally unique identifier code that allows mobile applications running on Android devices to identify users and gather data for the purposes of building profiles.
Google Analytics is a free Web analytics service that provides statistics and basic analytical tools for search engine optimization (SEO) and marketing purposes. The service is available to anyone with a Google account.
The Google Analytics dashboard is a user interface to the company’s Web analytics product. Google Analytics is a free service that provides statistics and basic analytical tools for marketing and search engine optimization (SEO) purposes.