Better Auth vs FusionAuth
On the evidence we track, Better Auth leads this comparison with a composite score of 64/100. 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
LeaderAn open-source authentication framework that provides multiple authentication methods including social login, passkeys, passwordless auth, and enterprise features like SSO and directory sync, with optional managed cloud infrastructure for auditing and security monitoring.
FusionAuth
Provides authentication and authorization infrastructure that developers can deploy and integrate with their applications, supporting standard protocols like OAuth 2.0 and OpenID Connect.
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
FusionAuth
From $162/month billed annually. Free tier available for self-hosting.
- CommunityFree
- Core authentication standards and features
- Community support via forums, Slack, and GitHub
- Self-hosted deployment
- Starter$162/month billed annually
- Premium authentication features
- Breached Password Detection
- Machine-to-Machine authentication
- Advanced MFA
- Application theming
- +1 more
- Essentials-
- Advanced connectivity, MFA, and security features
- Custom OAuth scopes
- Email support (24-48 hour response time)
- Business hosting
- EnterpriseContact sales
- Advanced threat detection
- SSO Tenant Manager
- 24/7 phone and email support
- Private Slack channel
- Solution architect guidance
- +2 more
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
- Cloudflare
- Microsoft Entra ID
- Yandex
FusionAuth
- LDAP
- Legacy database systems
- Kafka
- Custom APIs
- Webhooks
Better Auth or FusionAuth: which one depends on you
A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.
Free to run, no account needed to start. How the evaluation works
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.