Better Auth vs Firebase Authentication
On the evidence we track, Better Auth leads this comparison with a composite score of 72/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.
Capabilities
Feature-by-feature on the axes that matter for auth & identity software. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
Better Auth
LeaderBetter Auth is an open-source framework for building authentication directly into TypeScript applications using code-based configuration. It provides 50+ authentication methods and integrates with 20+ JavaScript frameworks, supporting features like social login, passkeys, multi-factor authentication, and enterprise capabilities such as SAML and SCIM. Optional managed infrastructure adds audit logging, security monitoring, and user management dashboards.
Firebase Authentication
A backend authentication service offering SDKs and UI components to integrate user sign-in across web and mobile platforms. Supports email, password, phone, and social login methods, with customizable UI options and pre-built components.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Better Auth
LeaderFree tier available. Pro from $20/month. Enterprise custom pricing.
- StarterFree
- User management
- Audit log
- Security detection
- Abuse protection
- Email templates
- +1 more
- Pro$20/month base, plus per-usage overages
- Unlimited seats
- User management
- Audit log with overage
- Security detection with overage
- Transactional Email & SMS
- +5 more
- EnterpriseContact sales
- Custom usage and retention
- Custom domain for Dashboard
- Log drain
- Dashboard RBAC
- Custom MSA and DPA
- +2 more
Firebase Authentication
Free Spark plan with 50K monthly active users. Blaze plan uses pay-as-you-go pricing.
- SparkFree
- Blaze-
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
Better Auth
Leader- Next.js
- Nuxt
- SvelteKit
- Astro
- Hono
- GitHub
- Apple
- Discord
- Passkey Authentication
- Magic Link Authentication
- Email OTP Authentication
- Two Factor Authentication
- Username Authentication
- One Tap Authentication
- Phone Number Authentication
- Anonymous Authentication
- Bearer Authentication
- Generic OAuth
- One Time Token Authentication
- SIWE Authentication
Firebase Authentication
Not documented yet.
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.