Why does Expo URL change when I re-run exp start

[ccheever]

https://docs.expo.io/versions/latest/workflow/how-expo-works#serving-an-expo-project-for-local-development has some explanation, and I just wrote something up here:

LAN vs Tunnel in Expo

Here is a brief overview of the LAN vs Tunnel settings in XDE and exp, etc. When you develop with Expo, you typically write code and run the metro bundler on your computer, but then want to load your application on your phone. Since those are different devices, you can’t load stuff from localhost the way you might do in web development. Instead, there are two ways that you can load things – tunnel and LAN. LAN Using LAN, you connect over your LAN. So, for this to work, you need your phone to …

Hope that helps.