Auth0 vs Clerk: pricing, quotas & features (2026)
Customer identity platform from Okta
vs. User management and authentication as a service
Data sourced from vendor documentation · Last updated June 2026
Summary
Auth0 and Clerk are both auth platforms, addressing the same core use case with different implementation philosophies and trade-offs. Both offer a free tier, making it easy to prototype without a credit card. Clerk's paid plans start at $25/month, lower than Auth0's entry point at $35/month. Clerk has a broader documented feature set (15 vs 14 features). Budget-sensitive teams will find Clerk easier to justify early on. All pricing and quota data below is sourced from Auth0 and Clerk's official documentation — not generated by AI or estimated.
Auth0 vs Clerk: Comparativa de precios, cuotas y características (2026)
En esta comparativa analizamos Auth0 y Clerk lado a lado — incluyendo precios mensuales, límites del tier gratuito, características técnicas, cuotas de uso (almacenamiento, transferencia, usuarios activos mensuales) y los interfaces de desarrollo disponibles. Todos los datos proceden de la documentación oficial de cada proveedor, no de respuestas generadas por IA.
Auth0 es una plataforma de la categoría auth — Customer identity platform from Okta. Ofrece 5 tiers de precio: B2C Essentials desde $35/mes, B2B Essentials desde $150/mes, B2C Professional desde $240/mes, B2B Professional desde $800/mes. Su catálogo en Staxly documenta 14 características y 11 interfazes para desarrolladores.
Clerk pertenece a la categoría auth — User management and authentication as a service. Ofrece 4 tiers de precio: Free gratuito, Pro desde $25/mes, Business desde $300/mes, Enterprise (personalizado). Su catálogo documenta 15 características y 19 interfazes para desarrolladores.
A continuación encontrarás los tiers de precio completos de ambas plataformas, una matriz de cuotas del tier gratuito (transferencia, almacenamiento, MAU, llamadas a la API y otros límites), el listado completo de características y los interfaces (CLI, SDKs, REST, GraphQL, MCP) disponibles para integrar cada servicio.
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Pricing tiers
Auth0
Clerk
Free-tier quotas head-to-head
Comparing b2c-essentials on Auth0 vs hobby on Clerk.
| Metric | Auth0 | Clerk |
|---|---|---|
| mao | — | 100 orgs/month |
| mau | — | 50000 users/month |
| mau start | 500 MAU | — |
| sso connections | 0 conns | 0 connections |
Features
Auth0 · 14 features
- Attack Protection — Bot detection, brute-force protection, breached-password detection, suspicious I…
- Auth0 Actions — Node.js + TS hooks that run during auth flows (login, post-login, signup, MFA). …
- Auth0 FGA (OpenFGA) — Fine-grained relationship-based authorization (ReBAC). Based on Google Zanzibar.
- Custom Database — BYO user DB: scripts in Actions read from your database and create Auth0 users o…
- Custom Domain — Serve auth at auth.yourbrand.com with managed cert.
- Enterprise SSO — SAML 2.0 + OIDC + AD/LDAP enterprise connections. Per-tenant or per-org.
- Log Streaming — Stream tenant logs to Datadog, Splunk, Sumo Logic, Azure Sentinel, HTTP, Mixpane…
- Machine-to-Machine — Client-credentials grant for backend services.
- Multi-Factor Auth — SMS, Voice, Email, TOTP, WebAuthn (biometrics), Push (Guardian app), Duo.
- Organizations — Multi-tenant B2B: orgs with invitations, roles, branding, enterprise connections…
- Passkeys — FIDO2/WebAuthn passkey sign-in.
- Passwordless — Email magic link + code, SMS code, WebAuthn.
- RBAC — Roles, permissions, API scopes — attach to users or orgs.
- Universal Login — Hosted login page with customization, multi-factor flows, passwordless, social, …
Clerk · 15 features
- Account Portal — Hosted sign-in/user profile pages at accounts.yourapp.com — zero UI code, fully …
- Bot Protection — Cloudflare Turnstile CAPTCHA integrated into sign-up.
- Clerk Billing — Built-in Stripe-powered billing: subscriptions, plans, proration — ties directly…
- Enterprise SSO (SAML/OIDC) — SAML and OIDC for enterprise customers. Per-domain connection. Pro+ (1 included)…
- Impersonation — Act as a user from dashboard to debug. Logged.
- JWT Templates — Custom JWT issuance for third-party backends (Supabase, Hasura, Firebase, Convex…
- Machine Tokens (M2M) — API keys and machine tokens for service-to-service auth in addition to user sess…
- Multi-Factor Auth — TOTP (authenticator apps), SMS OTP, backup codes. Forced or optional per user.
- Organizations (B2B) — Multi-tenant orgs with roles, permissions, invitations, domain allowlist, and pe…
- Passkeys (WebAuthn) — Passwordless passkey sign-in with per-device biometrics.
- Prebuilt Components — Drop-in React components: <SignIn/>, <SignUp/>, <UserButton/>, <OrganizationSwit…
- Sessions — Server-side session tokens. Sliding expiration by default; configurable absolute…
- User Management — Full user CRUD, metadata (public/private/unsafe), email/phone verification, ban/…
- Waitlist Mode — Collect sign-ups before opening the app. Approve waitlist entries to activate ac…
- Webhooks — Events: user.created/updated/deleted, session.created, organization.* — delivere…
Developer interfaces
| Kind | Auth0 | Clerk |
|---|---|---|
| CLI | Auth0 CLI | — |
| SDK | @auth0/nextjs-auth0, Auth0 Android, Auth0 React SDK, Auth0 SPA.js SDK, Auth0 iOS/Swift, Go Auth0 SDK, Node Auth0 Backend SDK, Python Auth0 SDK | @clerk/astro, @clerk/backend / @clerk/clerk-sdk-node, @clerk/chrome-extension, @clerk/clerk-expo, @clerk/clerk-js (vanilla), @clerk/clerk-react, @clerk/clerk-react-native, @clerk/nextjs, @clerk/nuxt, @clerk/remix, @clerk/tanstack-start, @clerk/vue, clerk-sdk-go, clerk-sdk-python, clerk-sdk-ruby |
| REST | Authentication API, Management API | Backend REST API, Frontend API |
| MCP | — | Clerk MCP |
| OTHER | — | Webhooks (Svix) |
Key takeaways
- Both Auth0 and Clerk offer a free tier — Auth0 ("Enterprise") and Clerk ("Free") — with no credit card required to start.
- The entry-level paid plan is $35/month for Auth0 (B2C Essentials) vs. $25/month for Clerk (Pro).
- Clerk has a broader documented feature set (15 features) vs. Auth0 (14 features) in Staxly's catalog.
- Developer integrations differ: only Auth0 offers CLI; only Clerk offers MCP/OTHER.
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