The home screen of the customer's app provides quick access to primary functions, allowing users to customize their beauty services based on location, service type, ratings, and time slots. The app stores customer preferences and history, making the process more efficient by suggesting services and bookings. In addition, customers can provide more information in the detailed profile section about their beauty preferences, skin type, and allergies, which is used to make more informed and tailored recommendations for a unique and personalized experience.