Best Auth0 alternatives in 2026
8 direct alternatives to Auth0, compared on pricing, features, and best-for use cases. Pick the right replacement without the marketing fluff.
LCCurated by Louis Corneloup · UpdatedWhy people consider alternatives to Auth0
Auth0 is an identity platform that makes authentication easy for developers. Add login, signup, and MFA with just a few lines of code. Support for social logins, enterprise SSO, and passwordless. Teams most often switch away when one of these starts to bite:
- •Pricing at scale as usage or premium tiers add up.
- •Missing integrations with the rest of your stack.
- •Performance or scale limits as your needs grow.
- •A specific feature gap you have hit in identity & access.
The 8 alternatives below cover the same core job (identity & access) with different trade-offs. Ranked by real-signal score: G2 and Capterra ratings, media mentions, and editor review. No paid placement.
8 alternatives to Auth0
Ranked by real-signal composite (rankingScore + community + reviews) and direct relevance to Auth0.
- 1
Okta
PaidBattle-tested at scaleEnterprise identity management
Direct alternative4.6(2,101)Compare Auth0 vs Okta → - 2
Firebase
FreemiumBattle-tested at scaleApp development platform by Google
Direct alternative4.6(1,062)Compare Auth0 vs Firebase → - 3
Firebase Authentication
FreemiumHigher rated by usersBackend authentication by Google
Direct alternative4.7(771)Compare Auth0 vs Firebase Authentication → - 4
Ping Identity
PaidEnterprise identity security solutions
Direct alternative4.5(145)Compare Auth0 vs Ping Identity → - 5
Clerk
FreemiumHigher rated by usersAuthentication for modern apps
Direct alternative4.7(145)Compare Auth0 vs Clerk → - 6
Keycloak
FreeFree alternativeOpen-source identity and access management
Direct alternative4.3(101)Compare Auth0 vs Keycloak → - 7
Supabase
FreemiumHigher rated by usersOpen source Firebase alternative
Direct alternative4.7(33)Compare Auth0 vs Supabase → - 8
Turnkey
FreemiumSecure, non-custodial key management API for DeFi, AI, and consumer apps
Direct alternativeCompare Auth0 vs Turnkey →
Frequently asked questions
What is the best alternative to Auth0?
Based on real-signal scoring (G2 and Capterra ratings, media mentions, and editorial review), the top alternatives to Auth0 are Okta, Firebase, Firebase Authentication. Each solves the same core job with different trade-offs on pricing, features, and integrations.
Is there a free alternative to Auth0?
Yes. Firebase is one of the freemium alternatives to Auth0 listed here (App development platform by Google). Other freemium options are flagged in the list below.
Why do people look for Auth0 alternatives?
Common reasons teams switch away from Auth0: pricing that scales aggressively, missing integrations with the rest of their stack, performance or scale limits, or a specific feature gap in identity & access. The alternatives on this page solve the same core problem with different trade-offs.
Side-by-side comparisons
In-depth comparison pages for Auth0 versus each alternative.
Still considering Auth0?
See the full review, pricing breakdown, and community feedback before you decide.