diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index 730c581..fb1fa7f 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -11,6 +11,9 @@ jobs:
     name: Build .ipa and publish source
     runs-on: macos
     env:
+      # Per-app: change APP_NAME for each app repo. Used everywhere so the
+      # perlis dir name and file names always match (no hardcoded drift).
+      APP_NAME: iOS-hello_world
       # Point xcodebuild at full Xcode without sudo (sudo hangs in CI).
       # DEVELOPER_DIR overrides the active developer directory for all steps.
       DEVELOPER_DIR: /Applications/Xcode.app/Contents/Developer
@@ -26,8 +29,8 @@ jobs:
         run: |
           # Build the app bundle (no signing — SideStore signs on-device)
           xcodebuild \
-            -project iOS-hello_world.xcodeproj \
-            -scheme iOS-hello_world \
+            -project $APP_NAME.xcodeproj \
+            -scheme $APP_NAME \
             -configuration Release \
             -sdk iphoneos \
             -destination 'generic/platform=iOS' \
@@ -45,32 +48,32 @@ jobs:
           mkdir -p dist/Payload
           cp -R "$APP_PATH" dist/Payload/
           cd dist
-          zip -r ../iOS-hello_world.ipa Payload
+          zip -r ../$APP_NAME.ipa Payload
           cd ..
-          ls -la iOS-hello_world.ipa
+          ls -la $APP_NAME.ipa
 
       - name: Generate app metadata
         run: |
           VERSION="1.0"
-          SIZE=$(stat -f%z iOS-hello_world.ipa)
+          SIZE=$(stat -f%z $APP_NAME.ipa)
           DATE=$(date -u +"%Y-%m-%dT%H:%M:%SZ")
           # Per-app metadata file. The perlis aggregator folds this into the
           # root source.json at https://apps.bueso.eu/source.json.
-          cat > iOS-hello_world.json <<EOF
+          cat > $APP_NAME.json <<EOF
           {
             "name": "Hello World",
             "bundleIdentifier": "com.example.helloworld",
             "developerName": "Luis",
             "localizedDescription": "Hello World iOS app built via Gitea Actions.",
-            "iconURL": "https://apps.bueso.eu/ios-hello_world/icon.png",
-            "downloadURL": "https://apps.bueso.eu/ios-hello_world/iOS-hello_world.ipa",
+            "iconURL": "https://apps.bueso.eu/$APP_NAME/icon.png",
+            "downloadURL": "https://apps.bueso.eu/$APP_NAME/$APP_NAME.ipa",
             "version": "$VERSION",
             "versionDate": "$DATE",
             "size": $SIZE,
             "permissions": []
           }
           EOF
-          cat iOS-hello_world.json
+          cat $APP_NAME.json
 
       - name: Upload to source host (perlis)
         run: |
@@ -79,7 +82,7 @@ jobs:
           # reachable from the iMac runner over the Tailscale mesh.
           ssh -o StrictHostKeyChecking=no \
             "${{ secrets.PERLIS_SSH_USER }}@${{ secrets.PERLIS_SSH_HOST }}" \
-            "mkdir -p /mnt/appdata/ios-apps/ios-hello_world"
+            "mkdir -p /mnt/appdata/ios-apps/$APP_NAME"
           scp -o StrictHostKeyChecking=no \
-            iOS-hello_world.ipa iOS-hello_world.json \
-            "${{ secrets.PERLIS_SSH_USER }}@${{ secrets.PERLIS_SSH_HOST }}:/mnt/appdata/ios-apps/ios-hello_world/"
+            $APP_NAME.ipa $APP_NAME.json \
+            "${{ secrets.PERLIS_SSH_USER }}@${{ secrets.PERLIS_SSH_HOST }}:/mnt/appdata/ios-apps/$APP_NAME/"