# Firebase Authentication alternatives

The highest-scoring alternative to Firebase Authentication in Auth & Identity Software is **Descope** (91/100), against Firebase Authentication's 66/100. Ranked on independent signals, not user reviews. No vendor pays for placement.

| # | Alternative | Score | Confidence | Compare |
|--:|---|--:|---|---|
| 1 | [Descope](https://www.vioscale.ai/software/descope) | 91 | 72% (medium) | [Firebase Authentication vs Descope](https://www.vioscale.ai/compare/descope-vs-firebase-authentication) |
| 2 | [Auth0](https://www.vioscale.ai/software/auth0) | 89 | 72% (medium) | [Firebase Authentication vs Auth0](https://www.vioscale.ai/compare/auth0-vs-firebase-authentication) |
| 3 | [Clerk](https://www.vioscale.ai/software/clerk) | 72 | 71% (medium) | [Firebase Authentication vs Clerk](https://www.vioscale.ai/compare/clerk-vs-firebase-authentication) |
| 4 | [Ory](https://www.vioscale.ai/software/ory) | 72 | 66% (medium) | [Firebase Authentication vs Ory](https://www.vioscale.ai/compare/firebase-authentication-vs-ory) |
| 5 | [Better Auth](https://www.vioscale.ai/software/better-auth) | 72 | 37% (low) | [Firebase Authentication vs Better Auth](https://www.vioscale.ai/compare/better-auth-vs-firebase-authentication) |
| 6 | [Keycloak](https://www.vioscale.ai/software/keycloak) | 72 | 47% (low) | [Firebase Authentication vs Keycloak](https://www.vioscale.ai/compare/firebase-authentication-vs-keycloak) |
| 7 | [WorkOS](https://www.vioscale.ai/software/workos) | 72 | 72% (medium) | [Firebase Authentication vs WorkOS](https://www.vioscale.ai/compare/firebase-authentication-vs-workos) |
| 8 | [Kinde](https://www.vioscale.ai/software/kinde) | 69 | 70% (medium) | [Firebase Authentication vs Kinde](https://www.vioscale.ai/compare/firebase-authentication-vs-kinde) |
| 9 | [Zitadel](https://www.vioscale.ai/software/zitadel) | 65 | 46% (low) | [Firebase Authentication vs Zitadel](https://www.vioscale.ai/compare/firebase-authentication-vs-zitadel) |
| 10 | [Authelia](https://www.vioscale.ai/software/authelia) | 64 | 41% (low) | [Firebase Authentication vs Authelia](https://www.vioscale.ai/compare/authelia-vs-firebase-authentication) |
| 11 | [Frontegg](https://www.vioscale.ai/software/frontegg) | 60 | 63% (medium) | [Firebase Authentication vs Frontegg](https://www.vioscale.ai/compare/firebase-authentication-vs-frontegg) |
| 12 | [PropelAuth](https://www.vioscale.ai/software/propelauth) | 59 | 73% (medium) | [Firebase Authentication vs PropelAuth](https://www.vioscale.ai/compare/firebase-authentication-vs-propelauth) |

Firebase Authentication itself ranks #9 of 20 in Auth & Identity Software.

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*Source: Vioscale (https://www.vioscale.ai/alternatives/firebase-authentication). Generated 2026-09-01T15:11:09.596Z.*