Although the pop-up window notifications provided by the apps on your phone are helpful for reminders, they can also be a nuisance when you’re trying to concentrate on a specific task. Fortunately, the iPhone provides configuration support for these settings, allowing you to decide which apps should alert you with pop-up windows and which applications shouldn’t. All of the pop-up window configurations can be accessed through the “Notifications” menu in your Settings app. Writer Bio

How to Stop Pop Ups in Apps on an iPhone - 83