Internet-based Weight Control Intervention in “Bi’Kilo” Mobile App: A Qualitative Analysis of Usability, Acceptability And User Experiences

The study aimed to evaluate the usability, acceptability, and user experiences of the "Bi'Kilo" mobile app, which is designed to facilitate weight management and encourage healthy lifestyle choices among its users. Employing a qualitative research design, the investigation involved in-depth interviews with eight users of the "Bi'Kilo" app. This approach gave a comprehensive understanding of participants' perceptions, experiences, and interactions with the application. Data from the interviews were meticulously analyzed to identify themes related to the app's usability, its impact on users' weight management efforts, and the overall user experience. This analysis was pivotal in understanding the strengths and weaknesses of the "Bi'Kilo" app from the perspective of its users. The findings revealed that users appreciated the app's role in promoting weight control and a healthy lifestyle, particularly highlighting personalized feedback and including multimedia content as beneficial features. Nonetheless, challenges were identified, including technical difficulties and a preference for more actionable advice over theoretical content. The study suggests several avenues for future research, including further refinement of the app to enhance its flexibility, integration of professional insights, and improvement in personalization to meet users' needs and preferences better. These components collectively provide a thorough examination of the "Bi'Kilo" app, offering valuable insights into its development and the broader health informatics field.