How many channels can I register with a mobile device for push? Craig Conover December 08, 2020 14:05 Updated There are no limitations to the number of channels you can register for push notifications with PubNub. Related articles What devices support APNS? How do I register a device with a channel? How can I troubleshoot my push notification issues? How do I add a channel to a channel group? How will APNS deprecation affect my push notifications?