Considering the amount of excellent and quality apps that are available on the App Store, it goes without saying that iOS device users will more than likely have a decent amount of apps installed upon their device to allow them to complete a wide range of tasks. With all of those apps in one place, all having different abilities and functions, it also stands to reason that notifications are going to be used to allow users to keep track of what is going on, and so that nothing important is missed or overlooked.