Compare the Ameda Purely Yours vs. Medela Pump in Style, two popular breast pumps, looking at price, efficiency, portability, and more. Ameda Breast Pumps: Ameda Breast Pumps - the Purely Yours Collection. Free shipping. Max discounts and same day shipping. The Ameda Purely Yours™ Breast Pump is the easy, effective choice for working mothers. This dual electric breast pump is lightweight, portable and BPA-free.