The last bug I chased in a React Native app only showed up on a real device, on cellular, in a TestFlight build. So I plugged the phone in, opened a desktop debugger, and got nothing. The network tab sat there blank.
Source: [Dev.to](https://dev.to/aoligama/loupe-a-debug-overlay-that-lives-inside-your-react-native-app-20j8)