Local notifications are scheduled by an application and delivered on the same device.
Push notifications, also known as remote notifications, are sent by your server to the Apple Push Notification service, which pushes the notification to devices.
Different in implement
Networking & Internet/Guides/About Local Notifications and Push Notifications
If your app is frontmost, the application:didReceiveRemoteNotification: or application:didReceiveLocalNotification: method is called on its app delegate If your app is not frontmost or not running, you handle the notifications by checking the options dictionary passed to the application:didFinishLaunchingWithOptions: of your app delegate for either the UIApplicationLaunchOptionsLocalNotificationKey or UIApplicationLaunchOptionsRemoteNotificationKey key. For more details about handling notifications, see “Scheduling, Registering, and Handling Notifications.”
UINotifications
2 notifications are provided:
Different in implement
Networking & Internet/Guides/About Local Notifications and Push NotificationsIf your app is frontmost, the application:didReceiveRemoteNotification: or application:didReceiveLocalNotification: method is called on its app delegate If your app is not frontmost or not running, you handle the notifications by checking the options dictionary passed to the application:didFinishLaunchingWithOptions: of your app delegate for either the UIApplicationLaunchOptionsLocalNotificationKey or UIApplicationLaunchOptionsRemoteNotificationKey key. For more details about handling notifications, see “Scheduling, Registering, and Handling Notifications.”