The “Poupa” application tells you which hypermarket is cheaper to buy the products you are looking for.With a price comparison tool among the thousands of products available, make your shopping list and make the best decision on the products to take home.You can opt for a shopping list in a single hypermarket or combine between different hypermarkets, which can make your savings even more effective.You can share your shopping list with anyone you want, so that they can add products to the list together. This way there will never be anything missing at home.Shall we start saving?