Auth.js vs OneLogin: Features, Pricing and User Reviews 2026
Compare features, pricing, reviews, and more to make an informed decision
Auth.js
Auth.js is a free, open-source authentication library for web applications, supporting OAuth, magic links, and credentials across multiple frameworks.
OneLogin
OneLogin is a cloud-based identity and access management platform that provides secure single sign-on, multi-factor authentication, and user management.
Auth.js
Auth.js is a free, open-source authentication library for web applications, supporting OAuth, magic links, and credentials across multiple frameworks.
OneLogin
OneLogin is a cloud-based identity and access management platform that provides secure single sign-on, multi-factor authentication, and user management.
Auth.js
OAuth 2.0 and OpenID Connect support
80+ pre-configured authentication providers
Magic link email authentication
Username and password credentials
WebAuthn passwordless login
Multiple framework support (Next.js, SvelteKit, Express)
Database adapters for major databases
JWT or database sessions
Built-in security features
Custom page support
TypeScript ready
Open source and free
OneLogin
Cloud-based identity and access management
Single sign-on for 6,000+ applications
Multi-factor authentication with multiple methods
SmartFactor risk-based authentication
Automated user provisioning and deprovisioning
Active Directory and LDAP integration
Desktop and mobile app access
SAML and OIDC support
Compliance and audit reporting
RADIUS for network authentication
Role-based access control
Developer APIs available
Auth.js
Auth.js is completely free to use with no pricing tiers or hidden costs. As an open-source project, it is licensed under the ISC license, which allows anyone to use, modify, and distribute the software freely for both personal and commercial projects.
There are no subscription fees, no usage limits, and no charges for any features. All capabilities, including support for unlimited providers, database integrations, and advanced security features, are available at no cost. This makes Auth.js an excellent choice for projects of any size, from small personal websites to large enterprise applications.
The project is maintained by a community of contributors and is now part of Better Auth Inc. Developers can contribute to the project, report issues, and access community support through GitHub discussions completely free of charge.
OneLogin
OneLogin offers flexible pricing across different solution types to meet various organizational needs.
For Workforce Identity, the platform provides three bundled tiers. The Advanced Bundle starts at $4 per user per month and includes single sign-on, advanced directory, and multi-factor authentication. The Professional Bundle at $8 per user per month adds identity lifecycle management and HR-driven identity features. The Expert Bundle at $10 per user per month includes everything plus SmartFactor Authentication, OneLogin Desktop, delegated administration, and RADIUS support.
Individual features are also available separately, with prices ranging from $2 to $4 per user per month for specific capabilities.
For B2B Identity, Customer Identity (CIAM), and Education Identity solutions, pricing is available through custom quotes based on your specific requirements. Contact OneLogin's sales team for detailed pricing information tailored to your use case and organization size.