Cash App allows you to use gift cards, but many people wonder if gift cards can be used on the app? There is no answer to this question, unfortunately. There are only four types of cards that are supported by the Cash App: Visa, MasterCard, Discover, and American Express.cash app gift card issued by the federal government, as well as prepaid cards, do not work with Cash App. There is, however, the option of using government-issued gift cards. Discover more in the following paragraphs. The following steps will guide you through using gift card in Cash App.