The city of Porto has worldwide recognition as a tourist destination, having received several awards over the years, recognition accompanied by an exponential increase in visitors, the Porto and North region accounted for the largest number of tourists in 2019 with 10.7 million overnight stays in tourist accommodation establishments, corresponding to 6.5% of the national total. Moreover, technology is present in the daily life of the world’s population, in constant evolution and it is used in various sectors, modernizing, and facilitating processes that were previously more difficult to carry out before their creation and implementation. This study aims to understand the impact of technology on the tourism sector, initially verifying its importance in the global paradigm and later its application in the tourism industry, bridging the possibility of creating a technological tool that allows a greater number of tourists to visit the City of Porto and have an improved experience. The increase in demand for mobile applications was researched, and a technological tool was created to promote the city of Porto. For its implementation, a questionnaire was carried out to understand the motivations and interests of users of tourist mobile Apps and verify the existence or inexistence of such Apps that meet all the requirements that the consumers are looking for. In this context this study plans a tourism application for the city of Porto, addressing technology and its initial and constant involvement in tourism, as well as all its areas of activity (technological tourism, gaming tourism, e-tourism and virtual tourism).