Anuidade Zero CREFITO-4 MG is a free Android application designed to help users save money through discounts, benefits, and cashback offers on various purchases. The app features a user-friendly interface where users can easily navigate through a wide array of deals from partnered brands across different sectors. By simply downloading the app and registering, users can start exploring a rich catalog of promotional offers immediately.

The cashback system allows users to receive a portion of their spending back after making a purchase. To utilize this feature, users must activate their preferred cashback promotion and complete their purchase through the respective store's site or app. Once the purchase is confirmed, the cashback amount will be visible in their account. Users can request a transfer of funds once they have accumulated a minimum balance of R$20, facilitating hassle-free savings directly to their bank account via PIX.