The main objective of the project is to propose the design of a comparative application of appliance prices called "Lima Price" whose main functionality will be to collect information on prices of similar appliances belonging to department stores / retails and supermarkets allied to the application and present them on its platform to the end consumer. In this way, the application behaves as a link between the offering business and the user customer, promoting the increase in sales in the sector and providing the digital user with the first tool that allows them to compare prices quickly and efficiently, also rescuing other relevant variables. It will be personalized through the preferential factor method, that Lima will be the city where the project will be developed since, initially, only electrical appliances belonging to department stores/supermarkets and retail stores in Metropolitan...