Many commenters haven't read the blog post. A retailer app or Amazon One account is not necessarily required. From my understanding, you can simply enter with a credit or debit card.

> Consumers can enter a Just Walk Out technology-equipped store using one of three methods—method types available can vary by store: (1) Amazon One, a contactless identity service that uses your palm to pay; (2) credit or debit card; or (3) app-based entry, using retailer-branded apps.