Purpose–The purpose of this thesis paper was to measure differences in the user experience provided by the Progressive Web App technology in comparison to native application in a context of social media. The study investigated users attitude towards different user interfaces implemented in the PWA and the native application.

Method–This paper isqualitative research in the field of user experience. Usability tests paired with semi-structured interview were chosen as research methods for this study. The study has been conducted on Twitter's PWA and Android application. Ten participants took part in the study.

Findings–The results have shown that most of the participants can identify differences in the user interfaces of both apps. Although both applications provided the same functionalities, the different UI solutions were the major factor influencing users feelings. On top of that, different user interfaces did not change the user's perception of the platform's consistency. As a result, more participants preferred the PWA over the native app. Moreover, results suggest that PWA can provide native-like experience in the context of social media.

Implications–The main contribution of this bachelor thesis is a comparison of user experience on PWA and native app technology in the context of social media. This research opens a discussion about the need for companies to broader their digital presence by implementing PWA technology as it can bring benefit to users and businesses.

Limitations–The main limitation of this study is a low number of participants caused by restrictions of social distancing inthe times of global pandemic. On top of that, the convenient sampling method has been used.

Keywords–User Experience, Progressive Web Application,User Interface, Native Mobile Application, Attitude