If for some idealogical reason you don’t want to set up Google Wallet on your phone (which you DON’T have to have a debit/credit card added to) there are alternatives for using digital tickets with:
https://www.maketecheasier.com/android-wallets-gift-cards-tickets/
You don’t have to have a Google account, you use an Apple wallet if you have an iPhone.
Im curious how you use an Android phone without a Google account, thought you needed one for the App Store and to be able to install apps?