Sober Grid is a geo-social software application for iOS/Android smartphones. Sober Grid provides users with a GPS locator interface, messaging and newsfeed functionalities in a single platform. Sober Grid allows users to find other sober people nearby: in their neighborhood, in an airport, on a cruise ship, and traveling for business or pleasure. Sober Grid provides an instant social network for sober people in recovery, a group that numbers more than 23 million in the United States alone.