Auth0 vs FusionAuth Comparison
Auth0
Starting at Contact for pricing
- Free Trial
- Freelancers / Consultants
- Large Enterprises
Auth0 helps business use identity to secure the APIs and mobile apps, add single sign-on, deploy confidential digital credentials for the users, and connect customers to the cloud applications they need. The extensible p…
FusionAuth
Starting at $37 /month
- Free Trial
- Individuals
- Freelancers / Consultants
FusionAuth is a Customer Identity and Access Management (CIAM) software solution for all industries looking to guard and secure their customers, employees, partners and contractors. Technology experts and small or large…
FusionAuth leads on user satisfaction with a 4.7-star rating across 38 reviews.
Auth0 vs FusionAuth — at a glance
| Feature | Auth0 | FusionAuth |
|---|---|---|
| Rating | 4.0 / 5 | 4.7 / 5 |
| Reviews | 160 | 38 |
| Starting price | Contact for pricing | $37 /month |
| Free trial | Yes | Yes |
| Free version | No | No |
| Best for | Freelancers / Consultants, Large Enterprises, Medium Business | Individuals, Freelancers / Consultants, Large Enterprises |
| Category | Customer Identity and Access Management (CIAM) Software | Customer Identity and Access Management (CIAM) Software |
| Platforms | SaaS/Web/Cloud, Mobile - Android, Mobile - iOS | SaaS/Web/Cloud, Installed - Windows, Installed - Mac |
| API | Available | Available |
| Support modes | Business Hours, Online | 24/7 (Live rep), Business Hours, Online |
| Certifications | SOC 2, HIPAA, GDPR, ISO 27001 | SOC 2, GDPR |
| Data residency | Global | Global |
Key differences between Auth0 and FusionAuth
- Pricing: FusionAuth starts at $37 /month. Auth0 pricing is not publicly listed.
- Target audience: Auth0 is built for Freelancers / Consultants and Large Enterprises, while FusionAuth targets Individuals and Freelancers / Consultants.
- User satisfaction: FusionAuth scores higher with a 4.7-star average.
- Deployment: Auth0 supports SaaS/Web/Cloud, Mobile - Android, Mobile - iOS; FusionAuth supports SaaS/Web/Cloud, Installed - Windows, Installed - Mac.
Auth0 vs FusionAuth — find the better fit before you commit.
Which tool fits your team best
Which is actually cheaper for your team size
Where each product wins, per real buyers
Most Customer Identity and Access Management (CIAM) Software tools look identical on paper. This comparison cuts to the differences that matter — pricing structure, team fit, and what real buyers found after signing up.
Biggest differences
Features
Pricing
Buying details
Security
Buyer feedback
Integrations
Product tour
Other options
Talk to an expert Talk to an expert |
Biggest differences
Start here before you go deeper into features.
Best for securing APIs and mobile apps with flexible identity management.
- You need a comprehensive CIAM platform supporting multiple identity providers.
- Your team requires strong multifactor authentication and password management features.
- You want seamless integration with cloud applications and single sign-on capabilities.
- Your organization prefers on-premises identity solutions over cloud-based platforms.
- You are a very small team or freelancer seeking a simple, low-complexity tool.
Best for enterprises needing flexible, secure, and comprehensive identity management.
- You require end-to-end identity management across mobile, web, and federated systems.
- Your organization needs to integrate identity data from multiple sources and directories.
- You want to reduce operational costs and minimize security breach risks effectively.
- Your company lacks dedicated IT or security resources to manage complex setups.
- You prefer simple, out-of-the-box identity solutions with transparent pricing.
Auth0: Best for securing APIs and mobile apps with flexible identity management. FusionAuth: Best for enterprises needing flexible, secure, and comprehensive identity management.
Description | Auth0 helps business use identity to secure the APIs and mobile apps, add single sign-on, deploy confidential digital credentials for the users, and connect customers to the cloud ... Read More about Auth0 | FusionAuth is a Customer Identity and Access Management (CIAM) software solution for all industries looking to guard and secure their customers, employees, partners and contractors. ... Read More about FusionAuth |
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Entry Level Pricing |
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User RatingsBased on verified Spotsaas reviews | ||
Best Company Size | Small BusinessLarge Enterprises | Small BusinessLarge Enterprises |
Get pricing help | Get pricing help |
Software Demo
Demo |
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How do Auth0 and FusionAuth Compare on Features?
Total Features | 14 Features | 13 Features |
|---|---|---|
Unique Features | No unique features | No unique features |
Get Quote | Get Quote |
Compare Auth0 and FusionAuth on pricing
Review starting price, plan structure, and free-trial access side by side so you can see which option fits your budget and buying process.
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Other Details
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API Support |
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Get help choosing | Get help choosing |
Security & Compliance
Certifications, data handling, and security controls for IT and compliance evaluators.
SOC 2 | ✓ Yes | ✓ Yes |
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HIPAA | ✓ Yes | — |
GDPR | ✓ Yes | ✓ Yes |
ISO 27001 | ✓ Yes | — |
Single Sign-On (SSO) | ✓ Yes | ✓ Yes |
Multi-Factor Auth (MFA) | ✓ Yes | ✓ Yes |
Data Encryption | ✓ Yes | ✓ Yes |
Audit Logs | ✓ Yes | ✓ Yes |
Data Residency | 🌐 Global | 🌐 Global |
Auth0 User Reviews & Rating Comparison
User Ratings | ||
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Rating Distribution | ||
Positive Reviews | No reviews available for the product | No reviews available for the product |
Media and Screenshots
Screenshots |  1 Screenshots |  9 Screenshots |
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Videos |  2 Videos |  3 Videos |
Top Alternatives to Auth0 and FusionAuth in 2026
Alternatives |
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Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].
Frequently asked questions
- Which is better, Auth0 or FusionAuth?
- FusionAuth edges out the other on user ratings (4.7 vs 4.0). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
- Do Auth0 and FusionAuth offer a free trial?
- Yes, both Auth0 and FusionAuth offer a free trial.
- What is the starting price of Auth0 vs FusionAuth?
- Auth0 starts at Contact for pricing. FusionAuth starts at $37 /month.
- What are the top alternatives to Auth0?
- Top alternatives to Auth0 include Cognito, Keycloak, Omada CIAM, LoginRadius, Ubisecure CIAM.
- What are the top alternatives to FusionAuth?
- Top alternatives to FusionAuth include Keycloak, Omada CIAM, Auth0, LoginRadius, Ubisecure CIAM.