Can I use Clerk with Expo Router?

Yes, Clerk fully supports Expo Router. You wrap your Root Layout with ClerkProvider to access auth state globally.

How do I handle token persistence in Expo?

You must use expo-secure-store to create a custom TokenCache that Clerk uses to persist sessions on the device.

Does Clerk support social login in Expo Go?

Yes, Clerk supports OAuth providers in Expo Go, though you must configure the redirect URLs to match your Expo development scheme.

Is Clerk compatible with React Native (non-Expo)?

Yes, but the @clerk/clerk-expo package is specifically optimized for the Expo ecosystem and its libraries like SecureStore.

Clerk+Expo Router V3 Auth

Compatibility analysis and integration guide

Clerk

Expo Router V3 Auth

Compatible

Score:95/100

Fully compatible with official support via @clerk/clerk-expo, requiring a custom token cache for native security.

Technical Analysis

Clerk offers a first-class integration for the Expo ecosystem via the @clerk/clerk-expo package. Unlike web environments where Clerk relies on cookies, the Expo integration requires an explicit TokenCache implementation. This is typically handled by expo-secure-store, ensuring that authentication tokens are encrypted and persisted across app restarts on iOS and Android.

Architecturally, Clerk integrates deeply with Expo Router. By wrapping the root _layout.tsx, developers gain access to hooks like useAuth(), useUser(), and useSignIn(). The authentication flow is handled natively, meaning you avoid the common pitfalls of embedded webviews. However, developers must ensure that Deep Linking is correctly configured in app.json to handle OAuth redirects back into the application after social logins.

Known Issues (2)

1Token Storage Requirement

Native environments lack localStorage and Cookies, which Clerk uses by default on the web.

Workaround

Implement a `tokenCache` object using `* as SecureStore from 'expo-secure-store'` and pass it to the `ClerkProvider`.

2OAuth Redirect Scheme

Social logins will fail to return to the app if the URI scheme is not configured.

Workaround

Define a `scheme` in your `app.json` and ensure your Clerk Dashboard allowed redirect URLs match your `exp://` or custom scheme.

Best Use Cases

Cross-platform mobile authentication for iOS and Android
Securing Expo Router protected routes using SignedIn and SignedOut components
Implementing Biometric-backed session storage with SecureStore
Unified auth management across Next.js web and Expo mobile apps

Frequently Asked Questions

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