Yes, you can absolutely use your standard USA Uber app in Mexico without needing to download a new version or create a new account. The app is designed to be globally interoperable; once you land in a Mexican city where Uber operates (such as Mexico City, Cancun, or Guadalajara), the app will automatically update to show local pricing in Mexican Pesos (MXN) and provide local vehicle options like UberX or Uber XL. Your linked credit card will be charged normally, though your bank may apply a small foreign transaction fee unless you use a "travel-friendly" card. It is important to note that in some Mexican tourist hubs, particularly Cancun and the Riviera Maya, there is significant tension between Uber and local taxi syndicates. While Uber is legal, drivers are often restricted from picking up passengers directly at airport terminals or certain hotel entrances. You may need to walk to a designated "meeting point" or use a local alternative like the "DiDi" app. Always check for local "pickup zones" in the app to ensure a safe and smooth experience when using the service internationally.