Auth.js vs Cryptr: 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.
Cryptr
Cryptr is a B2B authentication platform that offers Single Sign-On, Directory Sync, and passwordless login solutions for enterprise applications.
Auth.js
Auth.js is a free, open-source authentication library for web applications, supporting OAuth, magic links, and credentials across multiple frameworks.
Cryptr
Cryptr is a B2B authentication platform that offers Single Sign-On, Directory Sync, and passwordless login solutions for enterprise applications.
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
Cryptr
Passwordless magic link authentication
SAML and OpenID Single Sign-On support
SCIM-based Directory Sync
Multi-factor authentication included
Password and social login options
Works with Okta, Azure AD, Google, and more
REST API with multiple SDKs
IT admin self-service onboarding
Automatic user provisioning and deprovisioning
Free tier for up to 10,000 users
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.
Cryptr
Cryptr offers a straightforward pricing model with three main options to match different business needs.
The Universal Login plan is completely free and includes password authentication, magic link login, Google and Microsoft OAuth, multi-factor authentication, and support for up to 10,000 users with multi-tenancy features.
For companies needing enterprise features, Cryptr offers two add-on services at 125 euros per organization per month. The Single Sign-On package includes SAML support, compatibility with multiple identity providers, automatic user provisioning, and guided customer admin onboarding.
The Directory Sync package, also at 125 euros monthly, provides SCIM-based user provisioning and deprovisioning, plus group and role mapping to keep employee data synchronized automatically.
Cryptr also partners with startup incubators to offer special discounts for early-stage companies. Contact their team for custom enterprise pricing for large deployments.