What happens when user kills an app?

Asked on 03/31/2025

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When a user kills an app, the app's process and all associated session objects are terminated. However, certain services like Core Location can continue to track outstanding API objects and will resume or relaunch the app into the background when new information is ready for delivery, provided the app's authorization allows it. This ensures that ongoing tasks, such as tracking a workout, can continue even if the app is terminated. The app needs to be designed to handle such scenarios by resuming tasks or sessions that were interrupted upon relaunch.

For more details, you can refer to the session What’s new in location authorization (11:41).

What happens when user kills an app? | Ask WWDC