This research paper aims at evaluating the effect of ease of usage on using mobile applications: a case study on amazon in Egypt. It also aims at defining the relationship between ease of usage and using mobile applications. The theoretical framework includes Technology Acceptance Model (TAM). An online questionnaire was distributed via different social media platforms: Facebook, WhatsApp and Instagram, with a sample of 400 Egyptian youth. The results showed that a substantial portion of Egyptian customers, with 44% occasionally and 5.3% very often engaging in online shopping, demonstrate a noteworthy interest in e-commerce. Consequently, key factors that encourage individuals to shop from Amazon. A predominant factor is the perception that Amazon offers a diverse range of products at competitive prices. The majority of respondents highlight this aspect, emphasizing the significance of product variety and affordability in driving consumer choices. Additionally, the noteworthy statistic of 71.8% expressing an inclination to shop on Amazon again underscores a high level of satisfaction and loyalty among users.