Can you Use Cash App Card On Amazon? The Cash app is a peer-to-peer payment service app that easily lets users send and transfer money from one account to another in a safe environment using its strict encryption and authentication technology. When it comes to making an online purchase, many users ask a very common question such as can you use a cash app card on amazon? Yes, both the Cash app and amazon facilitate users to make quick and easy payment for purchasing things online. Learn how you can use your Cash app card on amazon by visiting our site.