Developing a new app: Is there a way to share the app with my remote Client so he can beta test the app on his iphone?

I'm developing a simple iPhone app (using Xcode & SwiftUI) for a Client who is in another state (here in the US). I have a valid up-to-date developer account. I'd like to release the app to his iPhone so he can beta-test the app. Is this possible? Is there any way to deploy the app to his iPhone even though he is geographically distant (and cannot connect his iPhone to my development Mac)?