Auth0 vs Keycloak 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…
Keycloak
Starting at Contact for pricing
- Medium Business
- Small Business
Keycloak is a thin identity and access management layer (IAM) for modern applications. Keycloak is built to handle enterprise needs and offer a simple experience to developers, it protects identities with strong two-fact…
Keycloak leads on user satisfaction with a 4.3-star rating across 80 reviews.
Auth0 vs Keycloak — at a glance
| Feature | Auth0 | Keycloak |
|---|---|---|
| Rating | 4.0 / 5 | 4.3 / 5 |
| Reviews | 160 | 80 |
| Starting price | Contact for pricing | Contact for pricing |
| Free trial | Yes | No |
| Free version | No | No |
| Best for | Freelancers / Consultants, Large Enterprises, Medium Business | Medium Business, Small Business |
| Category | Customer Identity and Access Management (CIAM) Software | Identity and Access Management (IAM) Software |
| Platforms | SaaS/Web/Cloud, Mobile - Android, Mobile - iOS | SaaS/Web/Cloud |
| API | Available | Available |
| Support modes | Business Hours, Online | Online |
| Certifications | SOC 2, HIPAA, GDPR, ISO 27001 | GDPR |
| Data residency | Global | Global |
Key differences between Auth0 and Keycloak
- Free trial: Auth0 offers a free trial; Keycloak does not.
- Target audience: Auth0 is built for Freelancers / Consultants and Large Enterprises, while Keycloak targets Medium Business and Small Business.
- User satisfaction: Keycloak scores higher with a 4.3-star average.
- Deployment: Auth0 supports SaaS/Web/Cloud, Mobile - Android, Mobile - iOS; Keycloak supports SaaS/Web/Cloud.
Auth0 vs Keycloak — 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
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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.
Open-source IAM ideal for enterprises needing strong security and developer flexibility.
- You need robust multi-factor authentication and fine-grained access control.
- Your team includes developers and IT admins comfortable with medium-complexity setup.
- You want a flexible, configurable IAM solution tailored for modern applications.
- Your organization requires turnkey solutions with comprehensive commercial support and SLAs.
- You are a very small business with minimal identity management needs.
Auth0: Best for securing APIs and mobile apps with flexible identity management. Keycloak: Open-source IAM ideal for enterprises needing strong security and developer flexibility.
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 | Keycloak is a thin identity and access management layer (IAM) for modern applications. Keycloak is built to handle enterprise needs and offer a simple experience to developers, it protects ... Read More about Keycloak |
|---|---|---|
Free Trial Availability |
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SpotScoreWhat's this? ↗ | Not Available | 8.7/10 |
User RatingsBased on verified Spotsaas reviews | ||
Best Company Size | Small BusinessLarge Enterprises | 50 to 500 employees501 to 5,000 employees |
Get pricing help | Get pricing help |
Where each option fits best
See where each product is strongest, which teams it fits, and what causes buyers to keep looking — before you commit.
Based on buyer reviews and verified product data collected by Spotsaas.
Key strengths
No key benefits available yet.
- Simplified Identity Management: Keycloak simplifies user authentication and authorization processes, letting your team focus on core business objectives without managing complex identity systems.
- Single Sign-On (SSO) Convenience: With Keycloak's SSO capabilities, your users can access multiple applications with a single set of credentials. This improves user satisfaction and reduces password fatigue.
- Reliable Security Features: Keycloak offers multi-factor authentication and fine-grained access control to protect sensitive data and help you meet industry standards.
Best fit
Reasons buyers look elsewhere
No alternatives guidance available yet.
- Users may seek alternatives to Keycloak due to its complexity in setup and configuration, particularly for smaller teams or projects that require a more straightforward identity management solution.
- Some organizations might prefer alternatives that offer better integration with specific cloud services or platforms, especially if they are heavily invested in a particular ecosystem.
- Performance concerns could lead users to explore other options, particularly if they experience scalability issues or latency with Keycloak in high-demand environments.
Software Demo
Demo |  Keycloak has not given any software demo yet If you're the owner of this profile, add your demo.Contact us |
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How do Auth0 and Keycloak Compare on Features?
Total Features | 14 Features | 9 Features |
|---|---|---|
Unique Features | No unique features | No unique features |
Get Quote | Get Quote |
Compare Auth0 and Keycloak 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.
Pricing Option | ||
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Pricing Plans |
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Pricing Page |  | Pricing information not available |
Other Details
Organization Types supported |
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Platforms Supported |
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Modes of support |
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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 | — |
|---|---|---|
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 | ||
|---|---|---|
Rating Distribution | ||
Spotsaas Editor’s POV generated by AI | Buyer sentiment Users generally appreciate Auth0's robust identity features and flexibility but note pricing opacity and complexity as challenges. What buyers like
Common complaints
| Buyer sentiment Users generally appreciate Keycloak's strong security features and flexible identity management, though some find setup and support challenging. What buyers like
Common complaints
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Pros and Cons |
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Positive Reviews | No reviews available for the product | No reviews available for the product |
Media and Screenshots
Screenshots |  1 Screenshots |  6 Screenshots |
|---|---|---|
Videos |  2 Videos | No videos available. |
Top Alternatives to Auth0 and Keycloak 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 Keycloak?
- Keycloak edges out the other on user ratings (4.3 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 Keycloak offer a free trial?
- Auth0 offers a free trial. Keycloak does not.
- What is the starting price of Auth0 vs Keycloak?
- Auth0 starts at Contact for pricing. Keycloak starts at Contact for pricing.
- 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 Keycloak?
- Top alternatives to Keycloak include Okta, Oracle Identity Management, Cognito, SailPoint IdentityIQ, AWS IAM.