expo · EvanBacon · Feb 12, 2026 · Feb 12, 2026 · Feb 14, 2026 · Feb 14, 2026
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -8,6 +8,7 @@ This is the log of notable changes to EAS CLI and related packages.
 
 ### 🎉 New features
 
+- Auto-generate `ios.bundleIdentifier` and `android.package` in non-interactive mode when not set in app config. ([#3399](https://github.com/expo/eas-cli/pull/3399) by [@evanbacon](https://github.com/evanbacon))
 - Use authorization code flow with PKCE for browser-based login. ([#3398](https://github.com/expo/eas-cli/pull/3398) by [@byronkarlen](https://github.com/byronkarlen))
 
 ### 🐛 Bug fixes

diff --git a/packages/eas-cli/src/project/android/__tests__/applicationId-test.ts b/packages/eas-cli/src/project/android/__tests__/applicationId-test.ts
@@ -137,21 +137,81 @@ describe(ensureApplicationIdIsDefinedForManagedProjectAsync, () => {
         })
       ).rejects.toThrowError(/we can't update this file programmatically/);
     });
-    it('throws an error in non-interactive mode', async () => {
+    it('auto-generates application id in non-interactive mode when suggestion is available', async () => {
       const graphqlClient = instance(mock<ExpoGraphqlClient>());
+      jest.mocked(AppQuery.byIdAsync).mockResolvedValue({
+        id: '1234',
+        slug: 'testing-123',
+        name: 'testing-123',
+        fullName: '@jester/testing-123',
+        ownerAccount: jester.accounts[0],
+      });
 
       vol.fromJSON(
         {
-          'app.json': '{ "blah": {} }',
+          'app.json': '{ "expo": {} }',
         },
         '/app'
       );
+
+      const result = await ensureApplicationIdIsDefinedForManagedProjectAsync({
+        graphqlClient,
+        projectDir: '/app',
+        projectId: '1234',
+        exp: { slug: 'myapp' } as any,
+        vcsClient,
+        nonInteractive: true,
+      });
+
+      expect(result).toBe('com.jester.myapp');
+      expect(promptAsync).not.toHaveBeenCalled();
+
+      const appJson = JSON.parse(await fs.readFile('/app/app.json', 'utf-8'));
+      expect(appJson).toMatchObject({
+        expo: { android: { package: 'com.jester.myapp' } },
+      });
+    });
+
+    it('uses ios.bundleIdentifier as application id in non-interactive mode when available', async () => {
+      const graphqlClient = instance(mock<ExpoGraphqlClient>());
+
+      vol.fromJSON(
+        {
+          'app.json': '{ "expo": {} }',
+        },
+        '/app'
+      );
+
+      const result = await ensureApplicationIdIsDefinedForManagedProjectAsync({
+        graphqlClient,
+        projectDir: '/app',
+        projectId: '1234',
+        exp: { slug: 'myapp', ios: { bundleIdentifier: 'com.example.myapp' } } as any,
+        vcsClient,
+        nonInteractive: true,
+      });
+
+      expect(result).toBe('com.example.myapp');
+      expect(promptAsync).not.toHaveBeenCalled();
+    });
+
+    it('throws an error in non-interactive mode when no valid suggestion can be generated', async () => {
+      const graphqlClient = instance(mock<ExpoGraphqlClient>());
+      jest.mocked(AppQuery.byIdAsync).mockRejectedValue(new Error('Not found'));
+
+      vol.fromJSON(
+        {
+          'app.json': '{ "expo": {} }',
+        },
+        '/app'
+      );
+
       await expect(
         ensureApplicationIdIsDefinedForManagedProjectAsync({
           graphqlClient,
           projectDir: '/app',
-          projectId: '',
-          exp: {} as any,
+          projectId: '1234',
+          exp: { slug: '' } as any,
           vcsClient,
           nonInteractive: true,
         })

diff --git a/packages/eas-cli/src/project/android/applicationId.ts b/packages/eas-cli/src/project/android/applicationId.ts
@@ -148,15 +148,8 @@ async function configureApplicationIdAsync({
   exp: ExpoConfig;
   nonInteractive: boolean;
 }): Promise<string> {
-  if (nonInteractive) {
-    throw new Error(
-      `The "android.package" is required to be set in app config when running in non-interactive mode. ${learnMore(
-        'https://docs.expo.dev/versions/latest/config/app/#package'
-      )}`
-    );
-  }
-
   const paths = getConfigFilePaths(projectDir);
+
   // we can't automatically update app.config.js
   if (paths.dynamicConfigPath) {
     throw new Error(
@@ -166,25 +159,50 @@ async function configureApplicationIdAsync({
 
   assert(paths.staticConfigPath, 'app.json must exist');
 
-  Log.addNewLineIfNone();
-  Log.log(
-    `${chalk.bold(`📝  Android application id`)} ${chalk.dim(
-      learnMore('https://expo.fyi/android-package')
-    )}`
-  );
-
-  const suggestedAndroidApplicationId = await getSuggestedApplicationIdAsync(
-    graphqlClient,
-    exp,
-    projectId
-  );
-  const { packageName } = await promptAsync({
-    name: 'packageName',
-    type: 'text',
-    message: `What would you like your Android application id to be?`,
-    initial: suggestedAndroidApplicationId,
-    validate: value => (isApplicationIdValid(value) ? true : INVALID_APPLICATION_ID_MESSAGE),
-  });
+  let packageName: string;
+
+  if (nonInteractive) {
+    let suggestedAndroidApplicationId: string | undefined;
+    try {
+      suggestedAndroidApplicationId = await getSuggestedApplicationIdAsync(
+        graphqlClient,
+        exp,
+        projectId
+      );
+    } catch {
+      // If we can't get a suggestion, we'll throw the non-interactive error below
+    }
+    if (!suggestedAndroidApplicationId) {
+      throw new Error(
+        `The "android.package" is required to be set in app config when running in non-interactive mode. ${learnMore(
+          'https://docs.expo.dev/versions/latest/config/app/#package'
+        )}`
+      );
+    }
+    packageName = suggestedAndroidApplicationId;
+    Log.log(`Using automatically generated Android application id: ${chalk.bold(packageName)}`);
+  } else {
+    const suggestedAndroidApplicationId = await getSuggestedApplicationIdAsync(
+      graphqlClient,
+      exp,
+      projectId
+    );
+    Log.addNewLineIfNone();
+    Log.log(
+      `${chalk.bold(`📝  Android application id`)} ${chalk.dim(
+        learnMore('https://expo.fyi/android-package')
+      )}`
+    );
+
+    const result = await promptAsync({
+      name: 'packageName',
+      type: 'text',
+      message: `What would you like your Android application id to be?`,
+      initial: suggestedAndroidApplicationId,
+      validate: value => (isApplicationIdValid(value) ? true : INVALID_APPLICATION_ID_MESSAGE),
+    });
+    packageName = result.packageName;
+  }
 
   const rawStaticConfig = readAppJson(paths.staticConfigPath);
   rawStaticConfig.expo = {

diff --git a/packages/eas-cli/src/project/ios/__tests__/bundleIdentifier-test.ts b/packages/eas-cli/src/project/ios/__tests__/bundleIdentifier-test.ts
@@ -115,20 +115,81 @@ describe(ensureBundleIdentifierIsDefinedForManagedProjectAsync, () => {
         })
       ).rejects.toThrowError(/we can't update this file programmatically/);
     });
-    it('throws an error in non-interactive mode', async () => {
+    it('auto-generates bundle identifier in non-interactive mode when suggestion is available', async () => {
       const graphqlClient = instance(mock<ExpoGraphqlClient>());
+      jest.mocked(AppQuery.byIdAsync).mockResolvedValue({
+        id: '1234',
+        slug: 'testing-123',
+        name: 'testing-123',
+        fullName: '@jester/testing-123',
+        ownerAccount: jester.accounts[0],
+      });
+
       vol.fromJSON(
         {
-          'app.json': '{ "blah": {} }',
+          'app.json': '{ "expo": {} }',
         },
         '/app'
       );
+
+      const result = await ensureBundleIdentifierIsDefinedForManagedProjectAsync({
+        graphqlClient,
+        projectDir: '/app',
+        projectId: '1234',
+        exp: { slug: 'myapp' } as any,
+        vcsClient,
+        nonInteractive: true,
+      });
+
+      expect(result).toBe('com.jester.myapp');
+      expect(promptAsync).not.toHaveBeenCalled();
+
+      const appJson = JSON.parse(await fs.readFile('/app/app.json', 'utf-8'));
+      expect(appJson).toMatchObject({
+        expo: { ios: { bundleIdentifier: 'com.jester.myapp' } },
+      });
+    });
+
+    it('uses android.package as bundle identifier in non-interactive mode when available', async () => {
+      const graphqlClient = instance(mock<ExpoGraphqlClient>());
+
+      vol.fromJSON(
+        {
+          'app.json': '{ "expo": {} }',
+        },
+        '/app'
+      );
+
+      const result = await ensureBundleIdentifierIsDefinedForManagedProjectAsync({
+        graphqlClient,
+        projectDir: '/app',
+        projectId: '1234',
+        exp: { slug: 'myapp', android: { package: 'com.example.myapp' } } as any,
+        vcsClient,
+        nonInteractive: true,
+      });
+
+      expect(result).toBe('com.example.myapp');
+      expect(promptAsync).not.toHaveBeenCalled();
+    });
+
+    it('throws an error in non-interactive mode when no valid suggestion can be generated', async () => {
+      const graphqlClient = instance(mock<ExpoGraphqlClient>());
+      jest.mocked(AppQuery.byIdAsync).mockRejectedValue(new Error('Not found'));
+
+      vol.fromJSON(
+        {
+          'app.json': '{ "expo": {} }',
+        },
+        '/app'
+      );
+
       await expect(
         ensureBundleIdentifierIsDefinedForManagedProjectAsync({
           graphqlClient,
           projectDir: '/app',
           projectId: '1234',
-          exp: {} as any,
+          exp: { slug: '' } as any,
           vcsClient,
           nonInteractive: true,
         })

diff --git a/packages/eas-cli/src/project/ios/bundleIdentifier.ts b/packages/eas-cli/src/project/ios/bundleIdentifier.ts
@@ -137,15 +137,8 @@ async function configureBundleIdentifierAsync({
   exp: ExpoConfig;
   nonInteractive: boolean;
 }): Promise<string> {
-  if (nonInteractive) {
-    throw new Error(
-      `The "ios.bundleIdentifier" is required to be set in app config when running in non-interactive mode. ${learnMore(
-        'https://docs.expo.dev/versions/latest/config/app/#bundleidentifier'
-      )}`
-    );
-  }
-
   const paths = getConfigFilePaths(projectDir);
+
   // we can't automatically update app.config.js
   if (paths.dynamicConfigPath) {
     throw new Error(
@@ -155,26 +148,51 @@ async function configureBundleIdentifierAsync({
 
   assert(paths.staticConfigPath, 'app.json must exist');
 
-  Log.addNewLineIfNone();
-  Log.log(
-    `${chalk.bold(`📝  iOS Bundle Identifier`)} ${chalk.dim(
-      learnMore('https://expo.fyi/bundle-identifier')
-    )}`
-  );
-
-  const suggestedBundleIdentifier = await getSuggestedBundleIdentifierAsync(
-    graphqlClient,
-    exp,
-    projectId
-  );
-
-  const { bundleIdentifier } = await promptAsync({
-    name: 'bundleIdentifier',
-    type: 'text',
-    message: `What would you like your iOS bundle identifier to be?`,
-    initial: suggestedBundleIdentifier,
-    validate: value => (isBundleIdentifierValid(value) ? true : INVALID_BUNDLE_IDENTIFIER_MESSAGE),
-  });
+  let bundleIdentifier: string;
+
+  if (nonInteractive) {
+    let suggestedBundleIdentifier: string | undefined;
+    try {
+      suggestedBundleIdentifier = await getSuggestedBundleIdentifierAsync(
+        graphqlClient,
+        exp,
+        projectId
+      );
+    } catch {
+      // If we can't get a suggestion, we'll throw the non-interactive error below
+    }
+    if (!suggestedBundleIdentifier) {
+      throw new Error(
+        `The "ios.bundleIdentifier" is required to be set in app config when running in non-interactive mode. ${learnMore(
+          'https://docs.expo.dev/versions/latest/config/app/#bundleidentifier'
+        )}`
+      );
+    }
+    bundleIdentifier = suggestedBundleIdentifier;
+    Log.log(`Using automatically generated iOS bundle identifier: ${chalk.bold(bundleIdentifier)}`);
+  } else {
+    const suggestedBundleIdentifier = await getSuggestedBundleIdentifierAsync(
+      graphqlClient,
+      exp,
+      projectId
+    );
+    Log.addNewLineIfNone();
+    Log.log(
+      `${chalk.bold(`📝  iOS Bundle Identifier`)} ${chalk.dim(
+        learnMore('https://expo.fyi/bundle-identifier')
+      )}`
+    );
+
+    const result = await promptAsync({
+      name: 'bundleIdentifier',
+      type: 'text',
+      message: `What would you like your iOS bundle identifier to be?`,
+      initial: suggestedBundleIdentifier,
+      validate: value =>
+        isBundleIdentifierValid(value) ? true : INVALID_BUNDLE_IDENTIFIER_MESSAGE,
+    });
+    bundleIdentifier = result.bundleIdentifier;
+  }
 
   const rawStaticConfig = readAppJson(paths.staticConfigPath);
   rawStaticConfig.expo = {