diff --git a/apps/mobile/src/app/_layout.tsx b/apps/mobile/src/app/_layout.tsx
index e2c6872..598903a 100644
--- a/apps/mobile/src/app/_layout.tsx
+++ b/apps/mobile/src/app/_layout.tsx
@@ -4,12 +4,14 @@ import * as SecureStore from "expo-secure-store";
 import { View, Text } from "react-native";
 import { useEffect, useState } from "react";
 import { SafeAreaProvider } from "react-native-safe-area-context";
+import { QueryClientProvider } from "@tanstack/react-query";
 import { validateEnv } from "../utils/env";
 import { ThemeProvider } from "../contexts/ThemeContext";
 import { StatisticsProvider } from "../contexts/StatisticsContext";
 import { FitnessGoalsProvider } from "../contexts/FitnessGoalsContext";
 import { RecommendationsProvider } from "../contexts/RecommendationsContext";
 import { NotificationsProvider } from "../contexts/NotificationsContext";
+import { queryClient } from "../lib/query-client";
 import log from "../utils/logger";
 
 // Wrapper to use notification permissions hook after ClerkLoaded
@@ -172,21 +174,23 @@ export default function RootLayout() {
 
   return (
     <SafeAreaProvider>
-      <ClerkProvider tokenCache={tokenCache} publishableKey={publishableKey}>
-        <ClerkLoaded>
-          <ThemeProvider>
-            <NotificationsProvider>
-              <StatisticsProvider>
-                <FitnessGoalsProvider>
-                  <RecommendationsProvider>
-                    <AppContent />
-                  </RecommendationsProvider>
-                </FitnessGoalsProvider>
-              </StatisticsProvider>
-            </NotificationsProvider>
-          </ThemeProvider>
-        </ClerkLoaded>
-      </ClerkProvider>
+      <QueryClientProvider client={queryClient}>
+        <ClerkProvider tokenCache={tokenCache} publishableKey={publishableKey}>
+          <ClerkLoaded>
+            <ThemeProvider>
+              <NotificationsProvider>
+                <StatisticsProvider>
+                  <FitnessGoalsProvider>
+                    <RecommendationsProvider>
+                      <AppContent />
+                    </RecommendationsProvider>
+                  </FitnessGoalsProvider>
+                </StatisticsProvider>
+              </NotificationsProvider>
+            </ThemeProvider>
+          </ClerkLoaded>
+        </ClerkProvider>
+      </QueryClientProvider>
     </SafeAreaProvider>
   );
 }
diff --git a/apps/mobile/src/lib/query-client.ts b/apps/mobile/src/lib/query-client.ts
new file mode 100644
index 0000000..c37d2c9
--- /dev/null
+++ b/apps/mobile/src/lib/query-client.ts
@@ -0,0 +1,18 @@
+import { QueryClient } from "@tanstack/react-query";
+
+export const queryClient = new QueryClient({
+  defaultOptions: {
+    queries: {
+      staleTime: 30000,
+      gcTime: 5 * 60 * 1000,
+      retry: 1,
+      refetchOnWindowFocus: false,
+      refetchOnReconnect: true,
+    },
+  },
+});
+
+export const userScopedKey = (
+  resource: string,
+  userId: string,
+): [string, string] => [resource, userId];