In order to link your card(s) for Round-Ups, please follow these steps:

Mobile:

1. From the home screen, open the menu
2. Select settings
3. Select Linked Accounts (for Android: Linked Cards)
4. Select Link another account
5. Search for your bank
6. Connect using your bank credentials

Desktop:

1. Select your avatar in the top right 
2. Select Settings
3. Under Personal, select Linked Accounts
4. Select Link another account
5. Search for your bank
6. Connect using your bank credentials