In order to see how many City Bites you’ve earned so far, all you need to do is look at the number that appears at the bottom of the main screen of the App on the “Redeem” button.
Other options are: “Redeem screen”, “Me screen” and to see the full history go to Me --> reward history.
Users who enabled notifications will receive a notification once a reward was granted. To make sure you don’t miss out, turn on your notifications :)