SimpleGeo is a location-based service that provides the infrastructure and tools for implementing location elements into applications. Urban Airship, a company that helps companies build apps with push notifications and monitor analytics, has acquired SimpleGeo.

Urban Airship is a mobile company that helps developers set up push notifications and in-app purchases. The company has raised $5.4 million in funding led by Foundry Group and includes True Ventures and Founders Co-op. Urban Airship makes push and in-app purchases possible on multiple mobile operating systems including iOS, BlackBerry, and Android. Urban Airship also recently started offering mobile subscription services. Some of their clients include Tapulous, LivingSocial, and Gowalla. [TechCrunch]