In iOS applications, a launch screen is displayed the moment the app starts and is quickly replaced by the first functional screen. Its purpose is to give the impression that the app is fast and responsive while initial content loads. To ensure a seamless transition, the launch screen should be plain, resemble the first app screen, and avoid drawing attention to itself.

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The launch experience of an iOS application should be fast and seamless to positively impact user perception. Key guidelines for a delightful launch include providing a responsive launch screen, launching in the appropriate device orientation, and avoiding upfront requests for setup information so the app can function immediately.

iOS App Launch Experience

iOS App Launch Screen Function

An iOS app that supports both portrait and landscape modes should launch using the device's current orientation. If the app only runs in one orientation, it should always launch in that orientation. Unless there is a compelling reason otherwise, an app in landscape mode should orient itself correctly regardless of whether the device was rotated left or right.

iOS App Launch Orientation

iOS applications should avoid asking for setup information up front, as users expect apps to work immediately. Apps should be designed for the majority of users, relying on device settings, defaults, or synchronization services like iCloud. If setup information is strictly necessary, the app should prompt the user during their first use in a non-disruptive way.

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