The aim of this thesis has been to investigate and characterize the online banking user experience on computer and mobile platforms. Different studies have been conducted on the topic of online banking, but none of them compares the user experience on different platforms. Accordingly, literature review was conducted, in order to outline the theoretical framework for characterizing the phenomenon of online banking user experience. A questionnaire was used for primary data collection. The quantitative data is analyzed and presented in this thesis report, in creating an understanding of the online banking user experience on computer and mobile platforms