Best Auth0 Alternatives 2026

Developer-friendly authentication and authorization. Find free, indie, and cheaper options that work for your team.

Security$35 - $240+/month (based on active users)Updated 2026-10

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What is Auth0?

Auth0 is an authentication and authorization platform built for developers, offering social login, passwordless auth, MFA, and machine-to-machine authentication via flexible APIs. Pricing starts at $35/month for the essentials plan and scales based on active users.

Key Features

-Universal login with social, enterprise, and passwordless options

-Developer-friendly SDKs and APIs for rapid integration

-Multi-factor authentication with adaptive policies

-Machine-to-machine authentication for service-to-service communication

-Role-based access control and fine-grained authorization

Why Look for Auth0 Alternatives?

Auth0's usage-based pricing can become very expensive as applications scale to thousands of active users. Some developers also prefer open-source alternatives that offer more control and avoid vendor lock-in for such a critical piece of infrastructure.

Common Pain Points

•Pricing can escalate quickly as active user counts grow
•Free tier limits are restrictive for production applications
•Post-Okta acquisition has introduced uncertainty about the product roadmap
•Complex customization often requires deep knowledge of Auth0 rules and actions

Best Auth0 Alternatives (2)

Clerk

100% savings

10k MAU free. Modern DX, pre-built components.

10k MAUPre-built UIOrganizationsWebhooks

Best for: Modern apps wanting great DX

Visit Clerk →

Supabase Auth

100% savings

50k MAU free. Comes with Supabase database.

50k MAUSocial loginMagic linksPhone auth

Best for: Teams using Supabase for database

Visit Supabase Auth →

How to export your data from Auth0

CSV, JSON (NDJSON) · verified against official docs

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What would you save without Auth0?

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Tips for Switching from Auth0

-Map out all authentication flows in your application before migrating

-Migrate user accounts with password hashes if your new provider supports it to avoid forced resets

-Test social login provider connections thoroughly in staging before switching production

-Plan for a gradual migration using a proxy or feature flags to minimize user disruption

Auth0 alternatives: common questions

How do I export users from Auth0 before switching?+

Use the Auth0 Management API or dashboard export to pull a JSON/CSV of your user database, which includes profile data but not plaintext passwords. Auth0 does support exporting password hashes for database connections if you request it through support, which most competitors (like Supabase, Firebase, or Keycloak) can then import to avoid forcing password resets. Social login users typically just re-authenticate with the same provider on first login, no password migration needed.

What features do I lose if I move off Auth0?+

You'll likely lose Auth0's visual Rules/Actions editor, its extensive pre-built integration marketplace, and some enterprise features like Private Cloud deployment unless the new provider matches them. Open-source options like Keycloak or Ory replicate most core flows (social login, MFA, RBAC) but require more self-hosting and config work. Anomaly detection and bot protection are also harder to replicate outside managed platforms like Auth0 or AWS Cognito.

Is a free auth alternative actually enough for a small team?+

Yes, for most small apps. Supabase Auth and Firebase Authentication both offer generous free tiers (50,000+ MAU) that cover early-stage products without cost, and Clerk's free tier covers up to 10,000 MAU. Self-hosted options like Keycloak or Ory are free indefinitely but require you to manage infrastructure and security patches yourself.

Do Auth0 alternatives integrate with the same tools?+

Most modern alternatives (Supabase, Clerk, Firebase, WorkOS) support standard protocols like OAuth2, OIDC, and SAML, so they work with the same identity providers (Google, Microsoft, GitHub) and SSO setups Auth0 does. You may lose access to Auth0's specific marketplace of pre-built connectors, so custom integrations with legacy enterprise SSO or niche social providers should be tested before migrating.

Will switching actually save money long-term?+

For apps with high or growing active user counts, yes — Auth0's per-MAU pricing scales fast past the free tier, while Supabase and Clerk charge less per MAU and Keycloak is free beyond hosting costs. The tradeoff is engineering time: self-hosted options save on licensing but cost more in maintenance, while managed alternatives like Clerk or Supabase cut both price and operational overhead compared to Auth0's Professional/Enterprise tiers.