Joel Grasmeyer is a real estate investor, engineer, and entrepreneur who started PropertyTracker.com in 2004 to create user-friendly, yet powerful tools for real estate analysis. In 2008, he created Property Evaluator for the iPhone. In 2010 he launched RealEstateTools.com to market a variety of real estate tools for mobile devices. This blog features the latest software updates, real estate news, and tips for investors.