Usability and Acceptability of a Comprehensive HIV and Other Sexually Transmitted Infections Prevention App.

The Preparadxs app was designed to enhace the prevention of the HIV and other sexually transmitted infections transmission through the empowerment of the user. The purpose of this study is to determine the usability and perception about the app among real users. In this prospective cross-sectional study all app end-users were asked to answer the System Usability Scale and question regarding app capability to reduce sexually transmitted infections in the future. Influence of several variables (gender identity, educational level and digital native condition) was explored. A total of 69 users answered the survey during study period. Most of them were male and had university studies. Final usability score was 80,8 points which means a good, near excellent usability. No differences in usability scores were observed regarding to gender identity, native condition or educational level. Most users were strongly agree (56,5%) or agree (28,9%) with app potential to reduce the incidence of HIV and other STIs in the future.