PropelAuth vs Stack Auth: Features, Pricing and User Reviews 2026
Compare features, pricing, reviews, and more to make an informed decision
PropelAuth
PropelAuth is a managed authentication service for B2B companies that handles signup, login, team management, and enterprise security features.
Stack Auth
Stack Auth is an open-source authentication platform that handles login, signup, and user management for developers in minutes.
PropelAuth
PropelAuth is a managed authentication service for B2B companies that handles signup, login, team management, and enterprise security features.
Stack Auth
Stack Auth is an open-source authentication platform that handles login, signup, and user management for developers in minutes.
PropelAuth
Hosted signup and login pages with custom branding
Organization and team management tools
Social login with Google, GitHub, and more
Two-factor authentication for security
Enterprise SSO with SAML and SCIM
Role-based access control and permissions
User impersonation for customer support
API key management and authentication
Magic link passwordless login
Custom domain support
Waitlist user management
Transactional email handling
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
PropelAuth
PropelAuth offers transparent pricing plans that grow with your business. The free plan includes 10,000 monthly active users, unlimited organizations, and core features like two-factor authentication and role-based access control. This plan is perfect for startups getting started.
The Growth plan costs $150 per month and includes everything in Free, plus user impersonation, unlimited enterprise SSO connections, a separate staging environment, and API key management. Additional users beyond 10,000 cost $0.05 each with volume discounts available.
The Growth Plus plan is $500 per month and adds SCIM directory sync, advanced organization controls, and enhanced security options for companies with stricter requirements.
All plans include unlimited organizations, waitlist users, custom domains, and customizable user interfaces. Enterprise customers can contact the sales team for custom pricing and features.
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.
