Universal Links on iOS weird behavior

I have configured Universal Links on iOS, and they're working everywhere on the XCode Simulator. Now when I test my app on an actual device, it sometimes works and sometimes doesn't. If I open the Notes app and create a new note with my domain URL, I long tap on it, and the menu that opens up has Open in [App] in it, and if I tap on it my [App] is opened. When testing out an oauth flow that redirects to my domain's URL, however, I'm taken to the website in the SFAuthenticationSession instead of back to the app. It's a standalone app built using Expo SDKV37. Anyone had this happen to them in the past? Any way to debug/resolve?