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Better Auth vs Firebase
Short answer: Pick Better Auth if you want composable, self-hosted auth for TypeScript apps; pick Firebase if you want integrated backend services for apps. Better Auth has a free plan, paid from $20/month; Firebase has a free plan.
Better AuthOpen-source authentication framework for TypeScript
FirebaseGoogle's platform to build and run appsWhich 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
- Starting price
- Better Auth:$20/month (Pro)
- Firebase:—
- Free plan or trial
- Better Auth:Free plan (Starter)
- Firebase:Free plan (Spark (Free)) · Free trial
- 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
What is the difference between Better Auth and Firebase?+
Firebase provides a broader BaaS platform; Better Auth is a dedicated auth framework for TypeScript.
Should I use Better Auth or Firebase?+
Pick Better Auth if you want composable, self-hosted auth for TypeScript apps, open-source code (better-auth/better-auth on GitHub, MIT license) or 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 or integrations with iOS, Android or Web (on Firebase's list, not Better Auth's).
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
Based on each tool's website and DevHunt data. Details may change; check the official sites.