Your Bitkey wallet balance can be found on the Bitkey app Home Screen. Your balance will be reflected in your chosen fiat currency or in bitcoin. You can tap on the ↑↓ arrows in the middle of the screen to switch between the two. Your wallet balance also reflects all pending transactions, both incoming and outgoing. To refresh your wallet balance, pull down on the Home Screen.
To hide your wallet balance, see How can I hide my wallet balance? for more information.