This web-based app compares discount prescription pharmacy prices at popular places like Walmart, Meijer, Kroger, K-mart, and more. Some offer drugs for $4 - but some offer prescription drugs for free! Selection differs between chains, as does the quality of customer service. Stay informed! Check your prescription drugs with this web-based app and start saving. It's easy to use, free, updates without additional downloads, and is a quick, spyware-free download. Customers have collectively saved over a billion dollars using programs like these - and that's just the beginning. We only list brick-and-mortar American pharmacies that are part of national chains.