Stack Auth vs Tesseral: Features, Pricing and User Reviews 2026
Compare features, pricing, reviews, and more to make an informed decision

Stack Auth
Stack Auth is an open-source authentication platform that handles login, signup, and user management for developers in minutes.

Tesseral
Tesseral is an open-source authentication platform for B2B software that simplifies user management with enterprise security features.

Stack Auth
Stack Auth is an open-source authentication platform that handles login, signup, and user management for developers in minutes.

Tesseral
Tesseral is an open-source authentication platform for B2B software that simplifies user management with enterprise security features.
Stack Auth
Password, OAuth, and magic link authentication
Two-factor authentication and passkeys
Team and organization management
Role-based permissions and access control
Pre-built React components and UI
User impersonation for support
Webhooks and real-time notifications
Custom email templates
REST API for integrations
Open-source and self-hostable
Next.js, React, JavaScript support
Admin dashboard for user management
Tesseral
Customizable login pages with multiple authentication methods
SAML and OIDC single sign-on for enterprises
SCIM provisioning for automatic user management
Role-based access control with custom permissions
Multi-factor authentication with passkeys and security keys
API key management system
User impersonation for customer support
Comprehensive audit logs
Real-time webhooks
Open-source and self-hostable
Stack Auth
Stack Auth offers transparent pricing that scales with your needs. The Free plan is perfect for individuals and small projects, supporting up to 10,000 users with unlimited projects and teams. You get one dashboard administrator and access to all core authentication features.
The Team plan costs $49 per month and increases your user limit to 50,000 users. It includes three dashboard administrators, with additional admins available at $49 each. This plan is ideal for early startups and small teams building their products.
The Growth plan at $299 per month removes all user limits entirely. You get unlimited users, projects, and teams, along with five dashboard administrators included. Additional admins cost $49 each. This plan is designed for growing businesses that need to scale without worrying about user count restrictions.
All plans include the same core features, with the main differences being user limits and admin accounts.
Tesseral
Tesseral offers three pricing tiers to match different needs and company sizes.
The Community plan is completely free for developers who want to host Tesseral themselves. Download the open-source code and run it on your own servers without any license fees. This includes all features with unlimited users and organizations.
The Studio plan is also free and provides a managed cloud service. It supports up to 200 active users and 50 organizations, making it perfect for small applications and testing. All authentication methods and enterprise features are included.
For larger applications, the Enterprise plan offers unlimited users and organizations. This plan includes running Tesseral on your own domain, API management, guaranteed uptime, and priority support. Pricing is customized based on your needs and includes options for managed cloud or custom deployment.