Does Firebase Have Authentication?
By ToolVS Research Team ยท Last checked April 1, 2026
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YES
Yes, Firebase Auth supports email/password, phone, Google, Apple, Facebook, Twitter, GitHub, and anonymous authentication. Free for up to 50K MAU.
What We Found
We checked this in April 2026 and here's what we found โ Firebase Authentication provides drop-in auth UI and SDKs supporting email/password, phone (SMS), social providers (Google, Apple, Facebook, GitHub, Twitter, Microsoft), anonymous auth, and custom auth tokens. Free tier supports 50K MAU. Identity Platform upgrade adds SAML, OIDC, and multi-tenancy.
Things to Know
- โ ๏ธ 50K MAU on free Spark plan
- โ ๏ธ SAML/OIDC requires Identity Platform upgrade
- โ ๏ธ Phone auth has per-SMS costs
- โ ๏ธ Custom claims limited to 1000 bytes
Need Authentication? These Tools Have It
Try Firebase Yourself
See if authentication meets your needs. Most tools offer a free trial or free plan to get started.
Try FirebaseFree โMore About Firebase
Does Firebase have free plan?โ
YESDoes Firebase have api access?โ
YESDoes Firebase have real-time?โ
YESDoes Firebase have file storage?โ
YESDoes Firebase have cloud functions?โ
YESDoes Firebase have self-hosting?โ NO
Frequently Asked Questions
Does Firebase have authentication on mobile?
Firebase offers authentication across platforms including mobile. However, the mobile experience may have some limitations compared to the desktop version. Check the mobile app for the latest capabilities.
Is authentication available on Firebase's free plan?
Authentication is available in Firebase, though specific plan requirements may apply. Some features are limited to paid tiers. Check Firebase's pricing page for the most current plan details.
What are the best alternatives to Firebase for authentication?
For authentication, consider Supabase, Clerk. These tools offer this feature and may better suit your needs. Check our comparison pages for detailed side-by-side analysis.
About this check: We verify feature availability by reviewing official documentation, testing the product directly, and monitoring changelog updates. Information was last verified on April 1, 2026. Features and pricing may have changed since our last check.Our methodology โ