Developing iOS apps starts with clarity about who will use it, the core job the app should perform, and the first release it must address. A solid discovery phase helps define the MVP, pick an appropriate architecture, and avoid features that look good on paper but don't boost real usage.
After the foundation is in place, attention moves to how the UI behaves, performance, and reliability across different iPhone models and iOS versions. Uniform navigation patterns, careful state management, and well-planned integrations (payments, authentication, analytics, and backend APIs) help keep the product maintainable and scalable after it reaches the App Store.