Better Auth vs Firebase

Firebase provides a broader BaaS platform; Better Auth is a dedicated auth framework for TypeScript.

Better AuthOpen-source authentication framework for TypeScript

FirebaseGoogle's platform to build and run apps

Which to pick

Pick Better Auth if you want…

Composable, self-hosted auth for TypeScript apps
Open-source code (better-auth/better-auth on GitHub, MIT license)
Integrations with Next.js, Nuxt or SvelteKit (on Better Auth's list, not Firebase's)

Pick Firebase if you want…

Integrated backend services for apps
Full BaaS platform
Integrations with iOS, Android or Web (on Firebase's list, not Better Auth's)

Side by side

What it is: Better Auth:Better Auth is an open-source, TypeScript-first authentication framework that runs inside your app.; Firebase:Firebase is Google’s platform of services for building, running and scaling mobile and web apps.
Best for: Better Auth:Composable, self-hosted auth for TypeScript apps; Firebase:Integrated backend services for apps
Who it’s for: Better Auth:Full-stack developers building web apps with TypeScript.; Firebase:Mobile and web developers building modern applications.
Pricing: Better Auth:Freemium; Firebase:Freemium
Plans: Better Auth:Starter $0 per month · Pro $20 per month; Firebase:Spark (Free) $0
Open source: Better Auth:Yes, 30,143 GitHub stars; Firebase:—
Works with: Better Auth:Next.js, Nuxt, SvelteKit, Astro, Hono, Google, GitHub, Apple; Firebase:iOS, Android, Web, Flutter, Unity, C++, Google Ads, AdMob

Better Auth features

Framework agnostic. Works with Next.js, Nuxt, SvelteKit, Astro, Hono and 20+ other frameworks.
Built-in credential auth. Provides sessions, email verification and password reset out of the box.
Social sign-on. Supports Google, GitHub, Apple, Discord and additional providers.
Multi-tenancy. Teams, roles, invitations and access-control built in.
Enterprise SSO & SCIM. Offers SSO, SAML 2.0, SCIM provisioning and directory sync.
Passkeys & magic links. Includes passkey, magic-link, API-key, JWT and other auth methods.
AI agent auth. Provides token exchange and delegation for AI agents.
Security & observability. Bot detection, IP blocking, email validation and audit-log monitoring.

Firebase features

Authentication. Provides user sign-in, phone auth and identity platform with generous free limits.
Realtime Database & Firestore. Scalable NoSQL databases with real-time sync and offline support.
Hosting & Cloud Functions. Static web hosting with SSL and serverless functions for backend logic.
Crashlytics & Performance Monitoring. Live crash reporting and performance metrics to improve app quality.
Remote Config & A/B Testing. Feature flagging and experiments to personalize user experiences.
Firebase AI Logic. Generative AI integration powered by Gemini and Google Cloud pricing.

Better Auth vs Firebase FAQ

Is Better Auth or Firebase free?+

Better Auth has a free plan (Starter); paid plans start at $20/month (Pro). Firebase has a free plan (Spark (Free)) and paid plans.

Is Better Auth or Firebase open source?+

Better Auth is open source (better-auth/better-auth on GitHub, MIT license). DevHunt has no public source repository on record for Firebase.

Do Better Auth and Firebase integrate with the same tools?+

Their integration lists don't overlap: Better Auth lists Next.js, Nuxt, SvelteKit, Astro and 5 more; Firebase lists iOS, Android, Web, Flutter and 9 more.

On DevHunt

Better Auth

Listed by DevHunt

Better Auth on DevHunt →Better Auth alternatives

Firebase