Making application quit when in background

Unless I am mistaken, the default behaviour for apps in iOS is to remain in a ‘launched’’ state when in the background. ie after opening the app and hitting the device Home button or switching to another app.

Is there a way to make the application quit when it is put in the background?

have you looked in player settings ?
(never used it myself)

since application lifecycle on iOS is completely - and more efficiently - managed by os, there’s in general no need for user, or application itself to interfere with it;
from application point of view background state generally translates to ‘I don’t care’ unless there’s some background processing needed which but seems the exact opposite of what you want

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Thanks
I prefer to have control over what happens when the application is in background. I think Player Settings has what I need.