Auth0vsKeycloak
Unbiased side-by-side comparison of verified reviews, user ratings, features, and pros/cons to help you decide which software fits your business needs.
Quick answer: Auth0 vs Keycloak
In our 2026 comparison of Auth0 and Keycloak, the products are too closely matched to name a clear overall winner. Auth0 is rated 4.5/5 from 4 user reviews; Keycloak is rated 4.5/5 from 4 user reviews. Auth0 has a free plan; Keycloak has a free plan.
Last updated
| At a glance | Auth0 | Keycloak |
|---|---|---|
| Category | Identity & Access Management (IAM) | Identity & Access Management (IAM) |
| User rating | 4.5/5 (4 reviews) | 4.5/5 (4 reviews) |
| Starting price | Free plan | Free plan |
| Free trial | Yes | Not listed |
| Listed features | 20 | 20 |
| Integrations | 9 | 7 |
| Platforms | Web | Web, Windows, macOS, Linux |
| Ease of use | 4.6/5 | 4.4/5 |
| Customer support | 4.5/5 | 4.4/5 |
Auth0
Starting Price
Free plan available; paid plans start from $35/month
Community Pulse
Advanced Ratings
Pros
- Easy implementation
- Extensive documentation
- Large integration ecosystem
Cons
- Pricing can become expensive at scale
- Advanced customization may require technical expertise
- Some enterprise features are premium-only
Keycloak
Starting Price
Free open-source identity and access management platform
Community Pulse
Advanced Ratings
Pros
- Completely open-source,Strong standards support,Comprehensive authentication features,Large community ecosystem,Flexible deployment options
- Completely open-source
- Strong standards support
Cons
- Steep learning curve for beginners,Administration can be complex,Enterprise support requires third-party vendors
- Steep learning curve for beginners
- Administration can be complex
Product Overview
What each platform does and who it's for
Primary Category
The main classification for each product
Editorial Quality Rating
Independent expert panel ratings and quality validations
Auth0
Expert Score
Keycloak
Expert Score
Integration Ecosystem
Compare supported third-party apps and services
Auth0 Integrations
Keycloak Integrations
Platform Support
Supported platforms across each product
Auth0
Keycloak
Sentiment & Feedback
Real-world pros and cons from verified users
Auth0 Feedback
User sentiment analysis
- Easy implementation
- Extensive documentation
- Large integration ecosystem
- Strong security capabilities
- Supports multiple authentication methods
- Pricing can become expensive at scale
- Advanced customization may require technical expertise
- Some enterprise features are premium-only
Keycloak Feedback
User sentiment analysis
- Completely open-source,Strong standards support,Comprehensive authentication features,Large community ecosystem,Flexible deployment options
- Completely open-source
- Strong standards support
- Comprehensive authentication features
- Large community ecosystem
- Steep learning curve for beginners,Administration can be complex,Enterprise support requires third-party vendors
- Steep learning curve for beginners
- Administration can be complex
- Enterprise support requires third-party vendors
Feature Comparison
Detailed side-by-side capability checklist
Auth0
19/29 features
- API & Webhook Integrations
- Integrations
- API Security
- Identity Federation
- OAuth 2.0
- Passwordless Authentication
- Social Login
- User Management
- Access control
- Advanced security
- Identity Management (IAM)
- Multi-Factor Authentication (MFA)
- Open-source
- Role-Based Access Control
- SAML Support
- Security
- Security controls
- Single Sign-On (SSO) & MFA
- Developer platform
- Developer tools
- Identity Management
- Audit Logging & Monitoring
- Enterprise Connections
- OpenID Connect
- Single Sign-On
- User Federation
- Anomaly Detection
- Multi-platform support
- Reporting & Analytics
Keycloak
19/29 features
- API & Webhook Integrations
- Integrations
- API Security
- Identity Federation
- OAuth 2.0
- Passwordless Authentication
- Social Login
- User Management
- Access control
- Advanced security
- Identity Management (IAM)
- Multi-Factor Authentication (MFA)
- Open-source
- Role-Based Access Control
- SAML Support
- Security
- Security controls
- Single Sign-On (SSO) & MFA
- Developer platform
- Developer tools
- Identity Management
- Audit Logging & Monitoring
- Enterprise Connections
- OpenID Connect
- Single Sign-On
- User Federation
- Anomaly Detection
- Multi-platform support
- Reporting & Analytics
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Pricing & Plans
Compare plans, features, and starting points side-by-side
Auth0 Pricing
FREEMIUMKeycloak Pricing
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Community Intelligence
Real-time crowdsourced comparison feedback and buyer signals.
Community Matchup Voting
Real-time crowdsourced buyer signals
Community vs. Editorial Alignment
Agreement between algorithmic rating & user voting
Draw
Calculated by features, pricing, support & ratings.
Awaiting Votes
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Head-to-Head Winner Analysis
Data-backed performance comparisons across pricing, features, usability, and support
Matchup Scoreboard
At-a-glance scorecard results
Weighted Overall Scorecard
Normalized composite performance scores
Smart Recommendation Matrix
Head-to-head decision matrix based on your business workflow
- Users wanting a streamlined, user-friendly workspace interface
- Teams looking for native integration with core workflow tools
- Developers wanting drop-in multi-tenant auth with MFA, social login, and pre-built UI flows
- Users wanting a streamlined, user-friendly workspace interface
- Teams looking for native integration with core workflow tools
- Teams needing broad multi-platform accessibility across desktop, mobile, and web
Auth0
Dimension scorecard
Multi-Dimension Performance
Winner Breakdown & Analysis
Tied for overall winner with a composite score of 85%.
Comparable pricing accessibility ($35/mo (Free Trial)).
Tied with a solid set of 20 features.
Strong usability with a user rating of 4.6/5 stars.
Reliable support with a user rating of 4.5/5 stars.
Available on 1 Platform: Web, fewer than the leader.
Keycloak
Dimension scorecard
Multi-Dimension Performance
Winner Breakdown & Analysis
Tied for overall winner with a composite score of 87%.
Comparable pricing accessibility ($0/mo (No Free Trial)).
Tied with a solid set of 20 features.
Strong usability with a user rating of 4.4/5 stars.
Reliable support with a user rating of 4.4/5 stars.
Widest platform availability (4 Platforms: Web, Windows, macOS, Linux).
⚖️ Virtually Tied
Keycloak and Auth0 are extremely well-matched overall. If Value for Money is your priority, Keycloak has the edge — otherwise, your specific workflow requirements should be the deciding factor.
Composite Score Breakdown
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Frequently asked questions: Auth0 vs Keycloak
Which is better: Auth0 or Keycloak?
Keycloak and Auth0 are extremely well-matched overall. If Value for Money is your priority, Keycloak has the edge — otherwise, your specific workflow requirements should be the deciding factor. Neither product has a decisive overall lead, so the best choice depends on your workflow, budget and required integrations.
How do users rate Auth0 and Keycloak?
Auth0 is rated 4.5/5 from 4 user reviews. Keycloak is rated 4.5/5 from 4 user reviews. Ratings come from approved user reviews on SoftwareHope.
How much do Auth0 and Keycloak cost?
Auth0 has a free plan. Keycloak has a free plan. Always confirm current pricing on the vendor's site, as plans change.
Do Auth0 and Keycloak offer a free plan or free trial?
Auth0 offers a free plan and a free trial; Keycloak offers a free plan.
Which platforms do Auth0 and Keycloak support?
Auth0 supports Web; Keycloak supports Web, Windows, macOS and Linux.
Which is easier to use, Auth0 or Keycloak?
Auth0 has an ease-of-use rating of 4.6/5, Keycloak has an ease-of-use rating of 4.4/5. The difference is small, so both are similarly easy to adopt.
Most Helpful Reviews
Community-voted helpful feedback from verified users
Partnering with Auth0 accelerated our development timeline significantly. Their engineering team demonstrated strong technical depth, adhering strictly to milestones and clean coding standards.
Our enterprise infrastructure integration was handled seamlessly by Auth0. Communication was transparent, sprint deliveries were predictable, and architecture reviews were comprehensive.
The technical team at Auth0 proved to be dependable and knowledgeable across our full-stack modernization project. They resolved complex integration bottlenecks with high efficiency.
High-caliber engineering services with dependable project management. Auth0 consistently delivered quality deliverables with thorough automated testing coverage.
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