Apple Push Notification Collapse Key Equivalent

Question

When using Google push notifications, I am allowed to specify a collapse_key value so a device will not receive multiple notifications of the same collapse_key. Does APNS have a

Answer 1

There is no such feature in iOS. However, since push notifications are sent by a server that is in your control, you can keep track of which notifications you've sent to a particular device, and decide whether or not to send new ones. In other words, you put the logic in your server code, not your iOS app code.