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Home/Compare/Auth0 vs FusionAuth

Auth0 vs FusionAuth

A side-by-side comparison of pricing, plans, and recent product updates. Pricing data last refreshed May 14, 2026.

Auth0

Authentication and authorization platform.

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Category
auth
Plans tracked
4
Entry price
$35/mo
Free plan?
Yes
See full Auth0 pricing & changelog →

FusionAuth

Downloadable and hosted auth for engineering teams.

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Category
auth
Plans tracked
—
Entry price
—
Free plan?
—
See full FusionAuth pricing & changelog →

Plan-by-plan pricing

Auth0

Free

Auth0

Free
  • Up to 25,000 monthly active users
  • 1 Custom Domain*
  • Secure Agentic AI workflows
  • Passwordless Authentication
  • Unlimited Social Connections**
  • + 1 more

Essentials

Auth0

$35/mo
  • Up to 500 monthly active users
  • Everything in Free, plus...
  • Higher Auth, API limits, and Feature limits
  • Pro Multi-Factor Authentication
  • Role-based Access Control Per Organization
  • + 1 more

Professional

Auth0

$240/mo
  • Up to 500 monthly active users
  • Everything in Essentials, plus...
  • Use your existing User Database for Logins
  • Enterprise Multi-Factor Authentication
  • Enhanced Attack Protection
  • + 1 more

Enterprise

Auth0

Custom
  • Everything in Professional plus...
  • Custom User & SSO Tiers
  • 99.99% SLA
  • Enterprise Rate Limits
  • Enterprise Administration & Support
  • + 1 more

FusionAuth

Pricing data is being collected.

Auth0 vs FusionAuth FAQ

Auth0 vs FusionAuth: which is cheaper?
Auth0 starts at $35/mo, while FusionAuth starts at an unpublished tier. TrackRival snapshots both daily as plan pages change.
Does Auth0 or FusionAuth have a free plan?
Auth0 shows a free plan in the latest snapshot, while FusionAuth does not.
Is Auth0 a good auth alternative to FusionAuth?
Auth0 and FusionAuth are both tracked in TrackRival's auth category. Use the changelog section below to compare shipping cadence, not just headline pricing.
How often is this Auth0 vs FusionAuth comparison updated?
TrackRival refreshes pricing snapshots daily and appends new changelog entries whenever either product ships a release.

Which should you pick?

Both Auth0 and FusionAuth compete in the auth space.

  • Choose Auth0 if you value: authentication and authorization platform.
  • Choose FusionAuth if you value: downloadable and hosted auth for engineering teams.
  • Subscribe to TrackRival if you want to be notified whenever either of them changes pricing or ships a major update — so you can react before your competitors do.

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