GoMLSOK iPhone/iPad app puts the MLS in the palm of your hand. Brought to you by the Oklahoma City Metropolitan Association of REALTORS and MLSOK, this app was designed to be used by Real Estate Professionals and future home buyers in the Oklahoma City Metropolitan area. We serve the counties of Oklahoma, Caddo, Canadian, Cleveland, Grady, Kingfisher, Lincoln, Logan, McLain and Pottawatomie as well as other outlying areas.