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Improving the tourism experience through computer vision and the development of mobile phone applications is the main focus of this thesis, which explores the convergence of technology and tourism. The thesis consists of six chapters, each of which addresses a separate topic. The role of interactive technologies in tourism guidance and the impact of digital transformation on the tourism industry are presented in the first chapter with an analysis of the relationship between tourism and technology. Digital guidance technologies in smart cities are explored in the following chapter, which delves into the function of technology in tourism tours and examines user- and business-oriented technologies. This is followed by the more technical parts of the thesis, focusing initially on computer vision, focusing on aspects such as object detection. An analysis is made of the role of machine learning in machine vision, and how the latest technology is being integrated in this area. A detailed discussion is then given of the different versions of YOLO and the various architectural elements present in the object detection algorithms based on convolutional neural networks that make up the YOLO model. One of the main topics covered in this chapter is the development of mobile applications, with a special emphasis on iOS. This involves exploring the iOS SDK and operating system, as well as the structure of application development projects, the use of UI Frameworks, and the Swift programming language. You'll also discover insights on object-oriented programming (OOP) principles, the best practices for application architecture, and complex system architectures. The practical integration of computer vision models into a mobile application is the main topic of Chapter 5. Training the model, exporting the model to a format usable by the application, and integrating it into the application are explored. In addition, the chapter covers the development of the UI that hosts the model and the retrieval of relevant data from the web about the monuments. Finally, we examine the performance of the application, providing an analysis of its efficiency and effectiveness in the context of tourism. Overall, this thesis deals with how developments in emerging technologies, such as the usage of mobile applications in combination with computer vision and geolocation systems, can enhance tourism experiences.