If you use iOS devices on a daily basis, you are probably very familiar with notifications. Sometimes you may have been using your device when you received such a notification; other times, the device might have been in your pocket, on your desk, or somewhere else.
Notifications are a perfect way for apps to inform users about information in an app that might be of interest to them. New messages in a messaging app, breaking news events, or friend requests in social apps are just a few examples of great use cases for notifications. From the get-go, it's important that you're aware of the fact that a lot of apps are fighting for the user's attention at all times. Notifications are a great way to gain the user's attention, but if you send too many notifications, or only use notifications as a marketing tool, instead of as a way to provide meaningful information, it's very likely that the user is going to disable push notifications for your app at...