diff --git a/native/utils/dev-hostname.js b/native/utils/dev-hostname.js
index 0a7b3e817..8528335bd 100644
--- a/native/utils/dev-hostname.js
+++ b/native/utils/dev-hostname.js
@@ -1,33 +1,47 @@
 // @flow
+import Constants from 'expo-constants';
 
-let natDevHostname: string;
 let warnNatDevHostnameUndefined = true;
 const defaultNatDevHostname = '192.168.1.1';
 
-try {
-  // this is your machine's hostname in the local network
-  // usually it looks like this: 192.168.1.x
-  // to find it you may want to use `ifconfig | grep '192.168'`
-  // command in the terminal
-  // example of native/facts/network.json:
-  // { "natDevHostname": "192.168.1.x" }
-  // $FlowExpectedError: That's a conditional require so the file may not exist
-  const hostname: string = require('../facts/network').natDevHostname;
-  natDevHostname = hostname;
+function readHostnameFromExpoConfig(): ?string {
+  const { natDevHostname: detectedHostname } = Constants.expoConfig.extra || {};
+  if (!detectedHostname || typeof detectedHostname !== 'string') {
+    return null;
+  }
   warnNatDevHostnameUndefined = false;
-} catch (e) {
-  natDevHostname = defaultNatDevHostname;
+  return detectedHostname;
 }
 
+function readHostnameFromNetworkJson(): string {
+  try {
+    // this is your machine's hostname in the local network
+    // usually it looks like this: 192.168.1.x
+    // to find it you may want to use `ifconfig | grep '192.168'`
+    // command in the terminal
+    // example of native/facts/network.json:
+    // { "natDevHostname": "192.168.1.x" }
+    // $FlowExpectedError: It's a conditional require so the file may not exist
+    const hostname: string = require('../facts/network').natDevHostname;
+    warnNatDevHostnameUndefined = false;
+    return hostname;
+  } catch (e) {
+    return defaultNatDevHostname;
+  }
+}
+
+const natDevHostname: string =
+  readHostnameFromExpoConfig() ?? readHostnameFromNetworkJson();
+
 function checkForMissingNatDevHostname() {
   if (!warnNatDevHostnameUndefined) {
     return;
   }
   console.warn(
-    'Failed to read natDevHostname. ' +
-      'Please specify it in native/facts/network.json',
+    'Failed to autodetect natDevHostname. ' +
+      'Please specify it manually in native/facts/network.json',
   );
   warnNatDevHostnameUndefined = false;
 }
 
 export { natDevHostname, checkForMissingNatDevHostname };