Shoptimus AI aims to help supermarket customers optimize their shopping according to their needs, preferences and goals, giving them the tools they need to manage their basket and make it more nutritious, sustainable and tasty, and with the best possible user experience, both for online and offline purchases. The service has two components: 1.-Algorithm for generating the personalized shopping list for each customer based on their historical purchases, and taking into account the assortment, prices and promotions available in their store, physical or online. 2.-User interface to facilitate quick modification of the shopping list.