Migo, an integrated search engine for on-demand rides across multiple services, has launched its free new service in Seattle and Portland following a three month beta test period with over 200 Seattle and Portland-based users. Migo says it is the first app available in the US that allows users to search, compare and hail multiple types of personal transportation, such as Lyft, Car2Go, Seattle Yellow Cab and more, without having to jump from one app to another.