Phia operates a browser extension and mobile application that enables consumers to compare prices across new and secondhand fashion retailers. The New York-based company addresses the fragmented fashion marketplace by aggregating pricing data from multiple sources, helping users identify the best deals on clothing and accessories. Phia's platform bridges the gap between traditional retail and the growing resale market, capitalizing on increasing consumer interest in sustainable fashion and value-conscious shopping. The company focuses on expanding its retailer partnerships and enhancing its price comparison algorithms to capture a larger share of the fashion e-commerce market.