Stripe is the more common of the two in our index: it runs on 2,285 websites against 168 for Google Pay, and 3 sites use both. Counts come from real scans, not vendor claims.
Google Pay is a digital wallet platform and online payment system developed by Google to power in-app and tap-to-pay purchases on mobile devices, enabling users to make payments with Android phones, tablets or watches.
Stripe offers online payment processing for internet businesses as well as fraud prevention, invoicing and subscription management.
3 sites run both Google Pay and Stripe. That is 2% of the sites using Google Pay, the smaller of the two.
Want to know which one a particular site uses? Look it up and see its whole stack, or compare two sites side by side.