Better Auth vs FusionAuth
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.
FusionAuth
FusionAuth is an identity and access management solution providing comprehensive authentication capabilities including social login, passwordless authentication, multi-factor authentication, and single sign-on. It supports self-hosted, cloud, and hybrid deployment models with transparent, predictable pricing and full API-first integration.
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
Free self-hosted Community edition. Paid cloud plans from $162/mo for Starter.
- CommunityFree
- Core authentication standards and features
- Community support via forums, Slack, and GitHub
- Self-hosted deployment
- Starter$162/mo when billed annually
- Premium authentication features
- Advanced MFA methods
- Application theming
- Breached password detection
- Machine-to-machine authentication
- +1 more
- EssentialsStarting at $2,970/mo billed annually
- Advanced connectivity, MFA, and security features
- Custom OAuth scopes
- Email support with 24-48 hour response during business hours
- Business hosting included
- EnterpriseContact sales
- All Essentials features
- Advanced threat detection
- SSO tenant manager
- 24/7 phone and email support
- Private Slack channel with contract
- +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
FusionAuth
- LDAP
- Legacy database systems
- Kafka
- Custom APIs
- Webhooks
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.