diff --git a/script/install.d/76-appcleaner.sh b/script/install.d/76-appcleaner.sh
new file mode 100644
index 0000000..f94e948
--- /dev/null
+++ b/script/install.d/76-appcleaner.sh
@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+# -----------------------------------------------------------------------------
+# Description:
+#   (macOS only) Install AppCleaner.
+#
+
+if [[ "$OSTYPE" == "darwin"* ]]; then
+    if ! brew list --cask appcleaner &> /dev/null; then
+        brew install --cask appcleaner
+        echo "AppCleaner has been installed."
+    else
+        echo "AppCleaner is already installed."
+    fi
+fi