In my opinion, the biggest factor developers should consider when choosing between Azure Web Apps and Mobile Apps is application type, because the intended use case largely determines which service is more suitable. Azure Web Apps are ideal for hosting websites, APIs, and browser-based applications with strong scalability and deployment support, while Mobile Apps are specifically designed to provide backend functionality for mobile applications, such as user authentication, push notifications, offline synchronization, and mobile-friendly data access. Although scalability, user experience, and backend integration are important considerations, selecting the right platform based on whether the project is web-focused or mobile-centric helps ensure better performance, easier development, and a more efficient architecture from the start.