Auth0 vs shadcn/ui
Customer identity platform from Okta
vs. Beautifully designed React components you copy-paste into your app
Pricing tiers
Auth0
B2C Essentials
Starting at 500 MAUs. Pro MFA, RBAC, passwordless, SAML, 10 orgs.
$35/mo
B2B Essentials
Unlimited orgs, 3 SSO connections, RBAC.
$150/mo
B2C Professional
Starting at 500 MAUs. Includes attack protection, custom DB, enterprise MFA.
$240/mo
B2B Professional
5+ SSO connections, attack protection, custom DB.
$800/mo
Enterprise
Custom. 99.99% SLA, dedicated support.
Custom
shadcn/ui
OSS (MIT)
$0. MIT license. Free forever. No signup. Components copy-pasted into your repo and owned by you.
$0 base (usage-based)
Free-tier quotas head-to-head
Comparing b2c-essentials on Auth0 vs oss on shadcn/ui.
| Metric | Auth0 | shadcn/ui |
|---|---|---|
| mau start | 500 MAU | — |
| sso connections | 0 conns | — |
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, …
shadcn/ui · 12 features
- 50+ Components — Button, dialog, dropdown, form, table, etc.
- Accessibility — WAI-ARIA compliant.
- Blocks — Full-page layouts ready to use.
- Charts — Composable Recharts wrappers.
- CSS Variables — Themeable via --primary, --background, etc.
- Custom Registries — Publish your own components via registry spec.
- Dark Mode — Built-in toggleable theme.
- Form Components (react-hook-form) — Integrated with react-hook-form + Zod.
- MCP Server — Query component catalog from AI agents.
- Radix UI Primitives — Headless accessibility foundation.
- shadcn CLI — Scaffold + add components.
- Themes + Theme Editor — CSS vars-based color system.
Developer interfaces
| Kind | Auth0 | shadcn/ui |
|---|---|---|
| CLI | Auth0 CLI | shadcn CLI |
| SDK | Auth0 Android, Auth0 iOS/Swift, @auth0/nextjs-auth0, Auth0 React SDK, Auth0 SPA.js SDK, Go Auth0 SDK, Node Auth0 Backend SDK, Python Auth0 SDK | — |
| REST | Authentication API, Management API | Component Registry |
| MCP | — | shadcn MCP Server |
| OTHER | — | Docs + Component Browser, Theme Customizer |
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