To hide the amount shown on the Quick Balance feature, you will need to follow the steps below:
Alternatively, you can also select the wheel icon on the top right-hand corner of the app to access the Quick Balance settings (follow Steps 1-3 to access) and tap the toggle buttons to grey on both 'Available balance visible' and 'Current balance visible'.
A question will then pop up to ask if you want to disable Quick Balance, select 'Yes'. This will remove the balances shown on your accounts before logging in.