Starting to build iOS apps begins with clarity: identifying the target users, the core job the app must perform, and which scenario needs to be addressed in the initial release. A thorough discovery phase helps define the MVP scope, select the right architecture, and avoid features that look good on paper but don't enhance actual usage.

After the foundation is in place, attention turns to how the interface behaves, performance, and stability across different iPhone models and iOS versions. Consistent navigation patterns, careful state management, and well-planned integrations (payments, authentication, analytics, backend APIs) make the product easier to maintain and scale after it hits the App Store.