Starting with clear understanding of users, the task the app must perform, and the scenario to tackle in the initial release is essential when building iOS apps. A solid discovery phase helps define the MVP scope, pick the right architecture, and exclude features that look good on paper but don’t enhance real use.

After laying the groundwork, attention turns to how the interface behaves, performance, and stability across different iPhone models and iOS versions. Consistent navigation schemes, careful state handling, and thoughtfully planned integrations (payments, auth, analytics, backend APIs) make the product easier to maintain and scale after launch on the App Store.