What is the best alternative to Clerk?

Auth0 is the top-rated alternative to Clerk. It offers Enterprise-grade and Highly customizable, and is freemium starting at $23/month/month.

Is there a free alternative to Clerk?

Yes — Auth0 is a freemium alternative to Clerk. Enterprise-grade

Why do developers switch from Clerk?

Common reasons to switch from Clerk: Pricey at scale (per MAU); Vendor lock-in risk; Less control vs Auth.js.

Best Clerk Alternatives(2026)

We compared 4 alternatives to Clerk — so you can find the best option for your needs and budget.

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You're replacing

Clerk

freemium

The most comprehensive user management platform

Starts at $25/month

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Common reasons to switch

Pricey at scale (per MAU)Vendor lock-in riskLess control vs Auth.js

Auth0

freemium

From $23/month

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Auth0 is an identity platform for web, mobile, and IoT with support for social logins, SSO, and more.

Pros

+Enterprise-grade

+Highly customizable

+Excellent docs

Cons

−Complex for simple use cases

−Expensive at scale

−Config-heavy

Universal LoginSocial connectionsMFASSOMachine-to-machine auth

Supabase

freemium

From $25/month

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Supabase is an open source Firebase alternative providing a Postgres database, Auth, realtime, storage, and edge functions.

Pros

+Full Postgres with SQL

+Built-in auth and storage

+Open source

Cons

−Free tier pauses after 1 week inactive

−Self-hosting is complex

−Edge functions limited

PostgreSQLAuthenticationRealtimeStorageEdge Functions

NextAuth.js (Auth.js)

free

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NextAuth.js is a complete authentication library for Next.js applications with adapters for 60+ databases and providers.

Pros

+Free and open source

+No vendor lock-in

+Highly flexible

Cons

−More setup required

−No prebuilt UI

−Docs can be confusing

40+ OAuth providersDatabase adaptersJWT sessionsEmail magic linksCredentials auth

WorkOS

freemium

From $0 (free up to 1M MAU)

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WorkOS provides enterprise-ready authentication APIs — SSO (SAML), SCIM, and Admin Portal in days, not months.

Pros

+Free up to 1M MAU

+Best enterprise SSO DX

+Admin Portal included

Cons

−Enterprise-focused (not ideal for consumer apps)

−Less community content vs Auth0

−Less social login flexibility

SAML SSOSCIM provisioningAdmin PortalDirectory SyncMFA

Compare Clerk Head to Head

Clerk vs Auth0 Clerk vs Supabase Clerk vs NextAuth.js (Auth.js)Clerk vs WorkOS