What is the difference between Google GCM and Apple APNS

citrusbits

Aug 14 '15 #1

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BenTomas

GCM has quite an advantage over APNs: APNs only stores one unsent message – the most recent: If you send another message to a device that already has a queued message on APNs, the queued message is discarded in favor of the newer. GCM supports this behaviour through the use of collapse keys, but it is not the default behaviour. GCM’s default is attempting to deliver every accepted message.

Regards,

Jan 22 '16 #2

kmartin

I would like to list some of them below

Notification payload - 2KB in GCM, 4KB in APNs.
Saves 1 notification/app (APNs), 100 per device (GCM). This is done when a device is offline.
GCM supports multiple platforms.
Acknowledgement cannot be sent in APNs, but is possible in GCM when implementing with XMPP.
FCM is a newer version of GCM, and have almost same properties.

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What is the difference between Google GCM and Apple APNS

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