Mobile phones today are used for much more than just calling and text messaging people. As technology has become more advanced, developers have started to incorporate a wide variety of functionality into their phones, such as the ability to surf the web, listen to music and also run application on their phones. This report will deal with the evaluation of such a phone, namely the iPhone. This report will also deal with the development of an iPhone application, which is a digital version of the Pomodoro Technique, with large focus on usability and interaction design. <br><br> The first part of the project constitutes for a pre-study part within the area of iPhone development as a whole with information about general iPhone development tools,...