How long will messages remain in the Inbox of my Barclaycard mobile app?

Messages will remain in your Inbox for as long as you wish to retain them.  To delete a message, simply swipe your fingertip from right-to-left at the far-right side of the alert in the Inbox to launch a DELETE button, and then tap that button.

What type of messages will appear in my Inbox?

Currently, you will receive only the Account Alerts that are configurable from your Barclaycard mobile app in your Inbox.