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Silverfort vs Stack Auth: Features, Pricing and User Reviews 2026

Compare features, pricing, reviews, and more to make an informed decision

Try Silverfort
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Silverfort

Silverfort is an identity security platform that protects all users and systems across cloud and on-premise environments without agents or changes.

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Try Stack Auth
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Stack Auth

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

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Silverfort

  • Universal MFA for all systems including legacy applications

  • Real-time identity threat detection and automated response

  • Service account discovery and protection

  • Privileged access management with JIT access

  • Authentication firewall blocks lateral movement

  • Identity security posture management

  • Agentless deployment with no system changes

  • Integration with Microsoft, Okta, AWS, and more

  • Compliance support for PCI DSS, SOC2

  • Protection for OT and industrial systems

Stack Auth logo

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

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Silverfort

Silverfort offers flexible pricing plans designed for different security needs. All pricing is provided through custom quotes based on your organization's size and requirements.

The Core plan includes Identity Security Posture Management to map your identity attack surface and find security gaps. It also provides Universal MFA to extend multi-factor authentication to legacy systems, command-line tools, and other previously unprotectable resources.

The Plus plan adds everything in Core, plus Service Account Visibility to discover all service accounts and Service Account Protection with virtual fencing policies and automated lifecycle management.

The Advanced plan includes everything in Plus, plus the Authentication Firewall for preventing lateral movement and Identity Threat Detection and Response with real-time threat detection and automated inline response, integrating with XDR and SIEM tools.

The Enterprise plan includes everything in Advanced, plus Access Intelligence for least privilege at scale and Privileged Access Security with privileged account discovery, virtual fencing, and just-in-time access controls.

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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.