Notifications
There are three ways of communicating with your app users using notification messages and badges:
- Local notifications
- Push notifications
- In-app notifications
Local notifications
Local notifications are like services, running on the user's device. The app does not need to be active to receive a local notification related to your app. They also do not need internet access or a server. Instead, they are scheduled for a particular date and time, like an alarm. They are initialized by your app.
What you can do is schedule a local notification to remind the user about the app but cancel it as soon as the user launches your app. It is a great instrument to remind your user about your app's existence:

You can use local notifications to increase your app's retention rate. You can schedule a notification when your app is closed or loses focus but cancel them when your app becomes active again. If you set the fire date to one or two weeks from now and users forget about your app, they will receive...