Xtra is a free Android application designed to streamline the grocery shopping process. Users can easily reserve groceries online through the Collect&Go service, selecting from various collection points or opting for home delivery. The app features a user-friendly interface that allows shoppers to compile their lists based on available products and promotions at their preferred Colruyt store. Additionally, items can be sorted by category or store layout for efficient shopping.

The app also enhances the shopping experience with a QR code feature that automatically applies discounts at checkout. Users can link their bank accounts for secure mobile payments, eliminating the need for cash or cards. Xtra provides a quick way to add items to shopping lists, track spending by category, and offers easy access to non-prescription medicines and parapharmaceutical products, making it a comprehensive tool for modern grocery shopping.