CardTapp, accessible at http://www.cardtapp.com, is a software company specializing in mobile marketing solutions designed to boost referrals, retention, and revenue for businesses. Their platform primarily serves professionals in industries such as real estate, mortgage lending, and insurance. CardTapp offers a personalized mobile app experience that enables businesses to engage more effectively with clients and prospects. This tool helps users to share valuable resources, track client interactions, and generate actionable insights, thereby enhancing the overall customer engagement and increasing the opportunities for sales conversions.