Medela is one of the most well-known brands of breast pumps. During the past 50 years, they specialized in the development of vacuum solution for breast pumps. It depends on your wishes which Medela breast pump suits you best. The Freestyle Flex is the most advanced Medela model, and with the Swing, you can choose a single or double pump. When you make your choice, keep the number of breast pumps and the size of the breast shield in mind. This way, you can be sure you choose the best Medela breast pump for you.