The Momcozy S9 Pro and S12 Pro are two popular options in the wearable breast pump market. Both are lightweight, hands-free, and provide effective pumping at a lower price point. However, there are key differences that can impact your choice. In this comparison, I'll cover the features, pros, and cons of each model to help you decide which pump suits your needs best. Watch or Read Your Review If you prefer video reviews, you can check out the video below. Scroll past the video if you’d rather read the detailed written comparison. Editor’s Note: Pumping Milk is reader-supported, which means I may earn a commission at no extra cost to you if you purchase through my affiliate link. Learn More . Exclusive Discount GET 15% OFF MOMCOZY USING CODE: PUMPINGMILK BUY NOW Comparing the Momcozy S9 Pro and S12 Pro Both the S9 Pro and S12 Pro are affordable, entry-level models in the Momcozy lineup. While they may not have all the high-end features of pumps like the Momcozy M5, they are certa...