It would cost thousands of dollars to develop a real estate application like Zillow, depending on the various features provided, from property listings and user reviews to incorporated maps. Other elements that would impact the overall budget include design complexity, backend infrastructure, and also the requirement for having real-time updates. USM Systems is best suited for the companies that want to develop a highly featured real estate app. Their very experience in creating scalable, user-friendly applications ensures that you get a high-quality product all while meeting your specific needs and being cost efficient.