diff --git a/scripts/build-and-deploy.sh b/scripts/build-and-deploy.sh
index 60b7edd..41d07e3 100755
--- a/scripts/build-and-deploy.sh
+++ b/scripts/build-and-deploy.sh
@@ -3,15 +3,19 @@
 
 set -e
 
-BUILD_TYPE="${1:-debug}"
-
 echo "🚀 Build and Deploy Android APK"
 echo ""
 
-# Build APK
-./scripts/build-android.sh "$BUILD_TYPE"
+# Pass all args (build type and/or --clean) through to the build script.
+./scripts/build-android.sh "$@"
 
 echo ""
 
-# Deploy APK
+# Deploy APK — extract build type (default debug), ignoring flags like --clean.
+BUILD_TYPE="debug"
+for arg in "$@"; do
+    case "$arg" in
+        debug|release) BUILD_TYPE="$arg" ;;
+    esac
+done
 ./scripts/deploy-android.sh "$BUILD_TYPE"
diff --git a/scripts/build-android.sh b/scripts/build-android.sh
index b56f76b..8d1e001 100755
--- a/scripts/build-android.sh
+++ b/scripts/build-android.sh
@@ -15,13 +15,24 @@ echo "Android SDK: $ANDROID_HOME"
 echo "NDK: $NDK_HOME"
 echo ""
 
-# Build type: debug or release (default: debug)
-BUILD_TYPE="${1:-debug}"
+# Parse args: build type (debug/release) and optional --clean flag.
+# By default the build is INCREMENTAL — Cargo and Vite reuse their caches.
+# Pass --clean (or CLEAN=1) to wipe all caches for a from-scratch build.
+BUILD_TYPE="debug"
+CLEAN="${CLEAN:-0}"
+for arg in "$@"; do
+    case "$arg" in
+        --clean) CLEAN=1 ;;
+        debug|release) BUILD_TYPE="$arg" ;;
+    esac
+done
 
-# Step 0: Clear build caches to ensure fresh builds
-echo "🧹 Clearing build caches..."
-rm -rf node_modules/.vite dist .svelte-kit .next build target src-tauri/target 2>/dev/null || true
-npm install > /dev/null 2>&1
+# Step 0: Optionally clear build caches for a fully fresh build.
+if [ "$CLEAN" = "1" ]; then
+    echo "🧹 Clearing build caches (clean build)..."
+    rm -rf node_modules/.vite dist .svelte-kit .next build target src-tauri/target 2>/dev/null || true
+    npm install > /dev/null 2>&1
+fi
 
 # Step 1: Sync Android source files
 echo "🔄 Syncing Android sources..."