Can I link more than one payment card to the app? Lucy 06 June 2019 06:42 Updated Yes - you can link up to four different payment cards to your app. Related articles How can I link additional payment cards to the app? My vouchers and stamps/points have disappeared I have multiple loyalty cards. What do I do? I have tried to link an additional card to the app but it didn’t work - what happened? How do I earn a voucher? Comments 0 comments Please sign in to leave a comment.