FusionAuth vs Auth0 Pricing (2026)
How do these two stack up on price? Here's what each one costs, what you get, and where the value sits.
| FusionAuth | Auth0 | |
|---|---|---|
| Starts at | $162/mo | $35/mo |
| Number of plans | 4 | 4 |
| Free plan | ||
| Free trial | — | |
| Pricing model | usage-based | usage-based |
Community
- Core authentication standards & features most apps need
- Community support (forums, Slack, Github)
- Self-host FusionAuth on your own infrastructure for free.
Starter
Popular- Premium authentication features
- Breached Password Detection, authentication, Machine-to-Machine, and more
- Community support (forums, Slack, Github)
- Includes basic hosting
Essentials
- Advanced connectivity, MFA, & security features
- Custom OAuth scopes
- Email support (24 to 48 hour response time during business hours)
- Includes business hosting
Enterprise
- Advanced threat detection
- SSO Tenant Manager
- 24/7 support (email and phone)
- Private Slack channel (with contract)
- Solution architect guidance
- Advanced governance & contract requirements
- Includes High availability hosting
Free
- 1 Custom Domain*
- Secure Agentic AI workflows
- Passwordless Authentication
- Unlimited Social Connections**
- 5 Organizations
- Brand Customization
- Basic Attack Protection
- Community Support
- 1 Enterprise Connection
- Self-Service SSO
- SCIM
Essentials
- Higher Auth, API limits, and Feature limits
- Pro Multi-Factor Authentication
- Role-based Access Control Per Organization
- 10 Organizations (How we model your customers)
- Stream Auth0 Audit Logs to Datadog, Splunk, AWS, Azure, etc.
- Separate Production & Development Environments
- Standard Support
Professional
- Use your existing User Database for Logins
- Enterprise Multi-Factor Authentication
- Enhanced Attack Protection
- M2M Tokens
Enterprise
- Custom User & SSO Tiers
- 99.99% SLA
- Enterprise Rate Limits
- Enterprise Administration & Support
- Advanced Security Features
- Private Deployment
FusionAuth vs Auth0 FAQ
- Which one is cheaper?
- Auth0 is the cheaper option, starting at $35/mo vs $162/mo for FusionAuth.
- Can I use either one for free?
- Both offer free plans, so you can try each without paying. Start with whichever fits your workflow better and upgrade when you hit the limits.
- How do they charge?
- Both use a usage-based model, so the comparison is straightforward — it comes down to features and limits at each price point.
- Which one is a better deal?
- Depends on what you need. FusionAuth: FusionAuth sits in the mid-market auth space competing with Auth0 and Okta CIC, and they're clearly positioning as the more developer-friendly, cost-transparent alternative. At $162/mo for 1K MAUs, they're not the cheapest (Clerk and Stytch have aggressive lower tiers) but they undercut Auth0 significantly at scale, targeting teams that got burned by Auth0's pricing as they grew. Auth0: Auth0 sits in the premium tier of the identity-as-a-service space, competing directly with Okta (which owns them), Firebase Auth, and Clerk. They're not the cheapest option — Clerk and Firebase undercut them at lower MAU counts — but they're selling on compliance depth, extensibility, and brand trust with enterprise buyers.
Keep tabs on both.
We'll monitor pricing changes for FusionAuth and Auth0 and let you know when something moves.