Is there a limit on the number of cards I can have? November 02, 2019 12:56 Updated Follow Yes, we allow one card per account. Related articles When should my card arrive? Is the HyperJar card a contactless card? Can I use my HyperJar card at a shop if I haven’t set up a Jar with them? What is an Annual Growth Rate (AGR)? What happens if I lose my card? Comments 0 comments Please sign in to leave a comment.