diff --git a/bun.lock b/bun.lock
index 58849df..3d9bf7f 100644
--- a/bun.lock
+++ b/bun.lock
@@ -9,6 +9,7 @@
         "@react-native-async-storage/async-storage": "2.2.0",
         "expo": "57.0.8",
         "expo-clipboard": "57.0.1",
+        "expo-constants": "57.0.7",
         "expo-dev-client": "57.0.9",
         "expo-modules-core": "57.0.7",
         "expo-status-bar": "57.0.1",
@@ -510,7 +511,7 @@
 
     "expo-clipboard": ["expo-clipboard@57.0.1", "", { "peerDependencies": { "expo": "*", "react": "*", "react-native": "*" } }, "sha512-HWICri4+1ao7S6QEfcorxVumXDiDnx1guGGewjZgGJWLGxFYs0RgH8ujBs+lkTzBkMmlwADaWSlaesR+nDJt5Q=="],
 
-    "expo-constants": ["expo-constants@57.0.11", "", { "dependencies": { "@expo/env": "~2.4.2" }, "peerDependencies": { "expo": "*", "react-native": "*" } }, "sha512-gpSZ13Nfx0BOc9ALjG1SMhks5csb8Z6ncEVdhDgv0NRrmJcHPRvyUlWaKjRjzwW730XrQ6PIXFRcnNmAxOLj5A=="],
+    "expo-constants": ["expo-constants@57.0.7", "", { "dependencies": { "@expo/env": "~2.4.2" }, "peerDependencies": { "expo": "*", "react-native": "*" } }, "sha512-ShDwaKnh3UieCQ/dG0kO8PuicTTatn3WDGmXbq/fukyzPXWhdUxf37DINVDQS6D3DDG7nfqItij+QvnDHSQhTg=="],
 
     "expo-dev-client": ["expo-dev-client@57.0.9", "", { "dependencies": { "expo-dev-launcher": "~57.0.9", "expo-dev-menu": "~57.0.9", "expo-dev-menu-interface": "~57.0.0", "expo-manifests": "~57.0.1", "expo-updates-interface": "~57.0.1" }, "peerDependencies": { "expo": "*" } }, "sha512-DDqinc0EHMsqDUqkfad6c3pc5vr2oCxwAojSGVSBZe5paRIPgQTEWA+x76Qel13F1LO2LSG+DLs5W1vk3JwUow=="],
 
@@ -1106,6 +1107,10 @@
 
     "css-tree/source-map": ["source-map@0.6.1", "", {}, "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g=="],
 
+    "expo/expo-constants": ["expo-constants@57.0.11", "", { "dependencies": { "@expo/env": "~2.4.2" }, "peerDependencies": { "expo": "*", "react-native": "*" } }, "sha512-gpSZ13Nfx0BOc9ALjG1SMhks5csb8Z6ncEVdhDgv0NRrmJcHPRvyUlWaKjRjzwW730XrQ6PIXFRcnNmAxOLj5A=="],
+
+    "expo-asset/expo-constants": ["expo-constants@57.0.11", "", { "dependencies": { "@expo/env": "~2.4.2" }, "peerDependencies": { "expo": "*", "react-native": "*" } }, "sha512-gpSZ13Nfx0BOc9ALjG1SMhks5csb8Z6ncEVdhDgv0NRrmJcHPRvyUlWaKjRjzwW730XrQ6PIXFRcnNmAxOLj5A=="],
+
     "expo-modules-autolinking/commander": ["commander@7.2.0", "", {}, "sha512-QrWXB+ZQSVPmIWIhtEO9H+gwHaMGYiF5ChvoJ+K9ZGHG/sVsa6yiesAD1GC/x46sET00Xlwo1u49RVVVzvcSkw=="],
 
     "fast-glob/glob-parent": ["glob-parent@5.1.2", "", { "dependencies": { "is-glob": "^4.0.1" } }, "sha512-AOIgSQCepiJYwP3ARnGx+5VnTu2HBYdzbGP45eLw1vr3zB3vZLeyed1sC9hnbcOc9/SrMyM5RPQrkGz4aS9Zow=="],
diff --git a/package.json b/package.json
index 3fe2bda..4b049a0 100644
--- a/package.json
+++ b/package.json
@@ -19,6 +19,7 @@
     "@react-native-async-storage/async-storage": "2.2.0",
     "expo": "57.0.8",
     "expo-clipboard": "57.0.1",
+    "expo-constants": "57.0.7",
     "expo-dev-client": "57.0.9",
     "expo-modules-core": "57.0.7",
     "expo-status-bar": "57.0.1",
diff --git a/src/settings/SettingsScreen.tsx b/src/settings/SettingsScreen.tsx
index 82802e5..02e328b 100644
--- a/src/settings/SettingsScreen.tsx
+++ b/src/settings/SettingsScreen.tsx
@@ -3,6 +3,7 @@ import type { ImageSourcePropType } from 'react-native';
 import { View, Text, Pressable, ScrollView, Image } from 'react-native';
 import { Ionicons } from '@expo/vector-icons';
 import { useSafeAreaInsets } from 'react-native-safe-area-context';
+import Constants from 'expo-constants';
 
 import { useTheme } from '../ui/useTheme';
 import { Card } from '../ui/Card';
@@ -150,6 +151,24 @@ export const SettingsScreen = ({
             {children}
             {/* About last, because it is the way out of the page. */}
             <SettingsSection title="About">
+              {/*
+                Which build this is, and it earns its place.
+
+                Two OffScale builds from different source trees were installed on the same phone and
+                were indistinguishable — both said 1.0.0 (1), because nothing stamped the version, so
+                the answer to "did that actually install?" lived only in the URL it was downloaded
+                from. OAS now writes its YYYYMMDDNN into CFBundleVersion before signing, and this is
+                where you read it back.
+
+                nativeBuildVersion, not the value from app.json: the config is what the project asked
+                for, the native plist is what shipped, and it is the second one that answers the
+                question. Falls back so a Metro run does not show an empty row.
+              */}
+              <SettingsRow label="Version">
+                <Text style={{ color: palette.textMuted, fontVariant: ['tabular-nums'] }}>
+                  {`${Constants.expoConfig?.version ?? '1.0.0'} (${Constants.nativeBuildVersion ?? 'dev'})`}
+                </Text>
+              </SettingsRow>
               {onShowCredits ? (
                 <SettingsRow label="Credits" icon="information-circle-outline" onPress={onShowCredits} />
               ) : null}