diff --git a/.github/workflows/android-deploy.yml b/.github/workflows/android-deploy.yml
index dd06843d..e631c4d7 100644
--- a/.github/workflows/android-deploy.yml
+++ b/.github/workflows/android-deploy.yml
@@ -21,9 +21,9 @@ jobs:
           java-version: '17'
           cache: 'gradle'
 
-      - name: Decode and create .env file
+      - name: Decode and create .env file (prod)
         run: |
-          echo "${{ secrets.ENV_B64 }}" | base64 --decode > .env
+          echo "${{ secrets.ENV_PROD_B64 }}" | base64 --decode > .env
 
       # Flutter SDK (subosito) 이전에 pub 캐시 복원
       - name: Cache Flutter pub packages
@@ -84,7 +84,7 @@ jobs:
 
       - name: Auto-increment build number
         run: |
-          BUILD_NO=$(date +%s)
+          BUILD_NO="9${{ github.run_number }}"
           echo "BUILD_NO=$BUILD_NO" >> $GITHUB_ENV
 
       - name: Build Flutter Android App Bundle
diff --git a/.github/workflows/android-test.yml b/.github/workflows/android-test.yml
new file mode 100644
index 00000000..ca950321
--- /dev/null
+++ b/.github/workflows/android-test.yml
@@ -0,0 +1,120 @@
+name: Google Play Console Deploy - Android Test
+
+on:
+  push:
+    branches: [ develop ]
+
+jobs:
+  build-android-test:
+    timeout-minutes: 30
+    name: Google Play Console Deploy - Android Test
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Java 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: '17'
+          cache: 'gradle'
+
+      - name: Decode and create .env file (test)
+        run: |
+          echo "${{ secrets.ENV_TEST_B64 }}" | base64 --decode > .env
+
+      - name: Cache Flutter pub packages
+        uses: actions/cache@v3
+        with:
+          path: ~/.pub-cache
+          key: pubcache-${{ runner.os }}-stable-3.27.1-${{ hashFiles('pubspec.lock') }}
+          restore-keys: pubcache-${{ runner.os }}-stable-3.27.1-
+
+      - name: Setup Flutter
+        uses: subosito/flutter-action@v2
+        with:
+          flutter-version: '3.35.4'
+          channel: 'stable'
+          architecture: x64
+          cache: true
+
+      - name: Decode google-services.json
+        run: |
+          mkdir -p android/app
+          echo "${{ secrets.GOOGLE_SERVICES_JSON_BASE64 }}" | base64 --decode > ./android/app/google-services.json
+
+      - name: Decode firebase_options.dart
+        run: |
+          mkdir -p lib
+          echo "${{ secrets.FIREBASE_OPTIONS_B64 }}" | base64 --decode > lib/firebase_options.dart
+
+      - name: Create android/local.properties (CI)
+        run: |
+          mkdir -p android
+          ANDROID_SDK_ROOT="${ANDROID_SDK_ROOT:-$HOME/Android/Sdk}"
+          echo "sdk.dir=$ANDROID_SDK_ROOT" > android/local.properties
+          echo "KAKAO_NATIVE_APP_KEY=${{ secrets.KAKAO_NATIVE_APP_KEY }}" >> android/local.properties
+          cat android/local.properties | sed 's/KAKAO_NATIVE_APP_KEY=.*/KAKAO_NATIVE_APP_KEY=***REDACTED***/'
+
+      - name: Verify decoded files
+        run: |
+          test -f lib/firebase_options.dart || (echo "missing lib/firebase_options.dart" && exit 1)
+          test -f .env || (echo "missing .env" && exit 1)
+
+      - name: Decode and install signing key
+        run: |
+          mkdir -p android/app/keystore
+          echo "${{ secrets.ANDROID_KEYSTORE_B64 }}" | base64 --decode > android/app/keystore/my-release-key.jks
+          echo "storeFile=keystore/my-release-key.jks" > android/app/keystore/key.properties
+          echo "keyAlias=${{ secrets.ANDROID_KEY_ALIAS }}" >> android/app/keystore/key.properties
+          echo "storePassword=${{ secrets.ANDROID_KEYSTORE_PASSWORD }}" >> android/app/keystore/key.properties
+          echo "keyPassword=${{ secrets.ANDROID_KEY_PASSWORD }}" >> android/app/keystore/key.properties
+
+      - name: Install dependencies
+        run: |
+          flutter clean
+          flutter pub get
+
+      - name: Analyze code
+        run: flutter analyze --no-fatal-warnings || echo "Analysis completed with warnings"
+        continue-on-error: false
+
+      - name: Auto-increment build number
+        run: |
+          BUILD_NO="1${{ github.run_number }}"
+          echo "BUILD_NO=$BUILD_NO" >> $GITHUB_ENV
+
+      - name: Build Flutter Android App Bundle
+        run: flutter build appbundle --release --build-number=$BUILD_NO
+
+      - name: Upload app to Google Play (Internal)
+        uses: r0adkll/upload-google-play@v1
+        with:
+          serviceAccountJsonPlainText: ${{ secrets.GOOGLE_PLAY_SERVICE_ACCOUNT_JSON }}
+          packageName: com.dongsoop.site.dongsoop
+          releaseFiles: build/app/outputs/bundle/release/app-release.aab
+          track: internal
+          status: completed
+
+      - name: Extract build date (KST)
+        run: |
+          TZ=Asia/Seoul date +"%Y-%m-%d %H:%M" > .build_date
+          echo "BUILD_DATE=$(cat .build_date)" >> $GITHUB_ENV
+
+      - name: Build Success Summary
+        run: |
+          echo "🎉 Flutter Android test build completed successfully!"
+          echo "📦 App Bundle uploaded to Google Play Internal track"
+          echo "🔗 Build #${{ github.run_number }}"
+          echo "🗓️ Date (KST): $BUILD_DATE"
+
+      - name: Send Discord Notification
+        env:
+          DISCORD_WEBHOOK: ${{ secrets.APPLE_BUILD_DISCORD_WEBHOOK }}
+        run: |
+          curl -H "Content-Type: application/json" \
+            -X POST \
+            -d "{\"content\": \"🧪 [Internal] Android 테스트 빌드가 업로드되었습니다! (테스트 광고 적용) 🗓️ 날짜(KST): $BUILD_DATE\"}" \
+            $DISCORD_WEBHOOK
diff --git a/.github/workflows/flutter-ios.yml b/.github/workflows/flutter-ios.yml
index 62d3af93..a74e2fcd 100644
--- a/.github/workflows/flutter-ios.yml
+++ b/.github/workflows/flutter-ios.yml
@@ -8,15 +8,14 @@ on:
 
 jobs:
   build-ios:
-    timeout-minutes: 15
+    timeout-minutes: 30
     name: Build Flutter iOS App
-    runs-on: macos-latest
-    
+    runs-on: macos-15
+
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
 
-      # Flutter SDK (subosito) 이전에 pub 캐시 복원
       - name: Cache Flutter pub packages
         uses: actions/cache@v3
         with:
@@ -32,9 +31,14 @@ jobs:
           architecture: x64
           cache: true
 
-      - name: Decode and create .env file
+      - name: Select Xcode
+        uses: maxim-lobanov/setup-xcode@v1
+        with:
+          xcode-version: '26.2'
+
+      - name: Decode and create .env file (test)
         run: |
-          echo "${{ secrets.ENV_B64 }}" | base64 --decode > .env
+          echo "${{ secrets.ENV_TEST_B64 }}" | base64 --decode > .env
 
       - name: Decode Secrets.xcconfig
         run: |
@@ -46,17 +50,17 @@ jobs:
           mkdir -p ios/Runner
           echo "${{ secrets.GOOGLE_SERVICE_INFO_PLIST_BASE64 }}" | base64 --decode > ./ios/Runner/GoogleService-Info.plist
 
-      # firebase_options.dart 복원
       - name: Decode firebase_options.dart
         run: |
           mkdir -p lib
           echo "${{ secrets.FIREBASE_OPTIONS_B64 }}" | base64 --decode > lib/firebase_options.dart
 
-      - name: Verify firebase_options.dart exists
+      - name: Verify decoded files
         run: |
-          test -f lib/firebase_options.dart && head -n 5 lib/firebase_options.dart || (echo "missing lib/firebase_options.dart" && exit 1)
+          test -f lib/firebase_options.dart || (echo "missing lib/firebase_options.dart" && exit 1)
+          test -s .env || (echo ".env is empty — ENV_TEST_B64 secret may not be set" && exit 1)
+          grep -q 'BASE_URL' .env || (echo "BASE_URL missing from .env" && exit 1)
 
-      # iOS Pods 캐시 복원
       - name: Cache iOS Pods
         uses: actions/cache@v3
         with:
@@ -66,42 +70,77 @@ jobs:
 
       - name: Install dependencies
         run: |
+          flutter clean
           flutter pub get
           cd ios && pod install --repo-update
 
-      # 코드 분석 수행 (경고는 허용, 에러만 실패 처리)
       - name: Analyze code
         run: flutter analyze --no-fatal-warnings || echo "Analysis completed with warnings"
         continue-on-error: false
 
-      # 무료 버전 - Apple Developer 계정 없이 빌드만
-      - name: Build iOS (no codesign)
+      # PR: 코드사인 없이 빌드만 (빠른 CI 검증)
+      - name: Build iOS (no codesign) - PR only
+        if: github.event_name == 'pull_request'
         run: |
           flutter build ios --release --no-codesign
           echo "iOS build completed successfully!"
 
-      # 빌드 결과 확인
-      - name: List build artifacts
-        run: |
-          echo "Build artifacts:"
-          ls -la build/ios/iphoneos/
-          du -sh build/ios/iphoneos/Runner.app
-
-      # iOS 빌드 결과물을 GitHub Artifacts에 업로드
-      - name: Upload iOS App as Artifact
+      - name: Upload iOS App as Artifact - PR only
+        if: github.event_name == 'pull_request'
         uses: actions/upload-artifact@v4
         with:
           name: dongsoop-ios-app-${{ github.run_number }}
           path: build/ios/iphoneos/Runner.app
           retention-days: 7
 
-      # 빌드 성공 알림
-      - name: Build Success Summary
+      # Push to develop: 코드사인 + TestFlight 업로드 (테스트 광고)
+      - name: Decode certificates/profiles - push only
+        if: github.event_name == 'push'
+        run: |
+          echo "${{ secrets.IOS_DISTRIBUTION_P12 }}" | base64 --decode > ios_distribution.p12
+          echo "${{ secrets.IOS_PROVISIONING_PROFILE }}" | base64 --decode > profile.mobileprovision
+
+      - name: Import certificate to keychain - push only
+        if: github.event_name == 'push'
+        run: |
+          security create-keychain -p "${{ secrets.IOS_DISTRIBUTION_P12_PASSWORD }}" build.keychain || true
+          security import ios_distribution.p12 -k build.keychain -P "${{ secrets.IOS_DISTRIBUTION_P12_PASSWORD }}" -T /usr/bin/codesign
+          security list-keychains -s build.keychain
+          security unlock-keychain -p "${{ secrets.IOS_DISTRIBUTION_P12_PASSWORD }}" build.keychain
+          security set-keychain-settings -t 3600 -l ~/Library/Keychains/build.keychain
+          security set-key-partition-list -S "apple-tool:,apple:,codesign:" -s -k "${{ secrets.IOS_DISTRIBUTION_P12_PASSWORD }}" build.keychain
+
+      - name: Install provisioning profile - push only
+        if: github.event_name == 'push'
+        run: |
+          mkdir -p ~/Library/MobileDevice/Provisioning\ Profiles
+          cp profile.mobileprovision ~/Library/MobileDevice/Provisioning\ Profiles/
+
+      - name: Auto-increment build number - push only
+        if: github.event_name == 'push'
+        run: |
+          BUILD_NO="1${{ github.run_number }}"
+          echo "BUILD_NO=$BUILD_NO" >> $GITHUB_ENV
+
+      - name: Build Flutter iOS IPA - push only
+        if: github.event_name == 'push'
+        run: flutter build ipa --release --build-number=$BUILD_NO --export-options-plist=ios/ExportOptions_AppStore.plist
+
+      - name: Upload app to TestFlight - push only
+        if: github.event_name == 'push'
+        uses: apple-actions/upload-testflight-build@v3
+        with:
+          app-path: ${{ github.workspace }}/build/ios/ipa/dongsoop.ipa
+          issuer-id: ${{ secrets.APPSTORE_ISSUER_ID }}
+          api-key-id: ${{ secrets.APPSTORE_API_KEY_ID }}
+          api-private-key: ${{ secrets.APPSTORE_API_PRIVATE_KEY }}
+
+      - name: Send Discord Notification - push only
+        if: github.event_name == 'push'
+        env:
+          DISCORD_WEBHOOK: ${{ secrets.APPLE_BUILD_DISCORD_WEBHOOK }}
         run: |
-          echo "🎉 Flutter iOS build completed successfully!"
-          echo "📱 iOS app built without code signing"
-          echo "📦 Artifacts uploaded to GitHub Actions"
-          echo "⬇️ Download from: Actions tab > Artifacts"
-          echo "🔗 Build #${{ github.run_number }}"
-          echo "📁 Artifact name: dongsoop-ios-app-${{ github.run_number }}"
-          echo "🍎 App name: Dongsoop (dongyang mirae university service)"
+          curl -H "Content-Type: application/json" \
+            -X POST \
+            -d "{\"content\": \"🧪 [TestFlight] iOS 테스트 빌드가 업로드되었습니다! (테스트 광고 적용)\"}" \
+            $DISCORD_WEBHOOK
diff --git a/.github/workflows/ios-deploy.yml b/.github/workflows/ios-deploy.yml
index f6556d5e..0b0f0623 100644
--- a/.github/workflows/ios-deploy.yml
+++ b/.github/workflows/ios-deploy.yml
@@ -35,9 +35,9 @@ jobs:
         with:
           xcode-version: '26.2'
 
-      - name: Decode and create .env file
+      - name: Decode and create .env file (prod)
         run: |
-          echo "${{ secrets.ENV_B64 }}" | base64 --decode > .env
+          echo "${{ secrets.ENV_PROD_B64 }}" | base64 --decode > .env
 
       - name: Decode Secrets.xcconfig
         run: |
@@ -100,7 +100,7 @@ jobs:
 
       - name: Auto-increment build number
         run: |
-          BUILD_NO=$(date +%s)  # 타임스탬프를 빌드 번호로 사용
+          BUILD_NO="9${{ github.run_number }}"
           echo "BUILD_NO=$BUILD_NO" >> $GITHUB_ENV
 
       - name: Build Flutter iOS