Stytch vs. Auth.js
Stytch
Stytch provides a suite of tools designed to simplify authentication, authorization, and security for web and mobile applications. If you're developing an app and need a way for users to log in—whether with passwords, passkeys, or entirely passwordless methods—Stytch offers APIs and SDKs that handle these complexities. Their focus is on making authentication seamless for both developers and end-users while ensuring high security standards. For businesses, particularly B2B SaaS companies, Stytch enables advanced features like multi-tenancy, role-based access control (RBAC), and single sign-on (SSO). They provide an embeddable admin portal, allowing enterprise customers to manage their own authentication configurations, organizational settings, and integrations with identity providers—without constant developer involvement. Stytch places a strong emphasis on scalability and flexibility. Their tools are designed to “just work” across a range of use cases, from simple consumer apps to co...
Auth.js
Formerly known as NextAuth. It's is an open-source authentication library originally built for NextJS. Auth.js is free to use and comes with over 80 integrations for various third-party identity providers such as Google, Facebook, Auth0, Apple etc. You can use it with your own database if you choose to. It works with MySQL, Postgres, MSSQL and MongoDB. Auth.js is compatible with Next.js, SvelteKit and SolidStart as of March 2024.
Reviews
Reviewed on 2/25/2025
They market themselves as the leading Auth0 alternative. There is a free starter plan with up to 25 organizations and 1000 members. Additional users costs $0.05 per monthly active user.
Reviews
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Frequently Asked Questions
Auth.js offers over 80 integrations for various third-party identity providers such as Google, Facebook, Auth0, and Apple. Stytch also supports multiple third-party integrations but primarily markets itself as an Auth0 alternative. If you need a solution with a wide range of third-party integrations, Auth.js might be a better option.
Auth.js is free to use, making it a cost-effective option for developers. Stytch offers a free starter plan with up to 25 organizations and 1000 members, but additional users cost $0.05 per monthly active user. If cost is a primary concern, Auth.js might be the better choice due to its free usage model.
Auth.js is compatible with multiple databases such as MySQL, Postgres, MSSQL, and MongoDB. This allows for greater flexibility in terms of database choice. Stytch focuses more on user authentication and does not specify database compatibility to the same extent. Therefore, if database compatibility is crucial, Auth.js offers more versatility.
Stytch is a platform that provides a suite of tools designed to simplify authentication, authorization, and security for web and mobile applications. It offers APIs and SDKs that enable developers to implement various login methods, including passwords, passkeys, and passwordless options, while ensuring high security standards.
Stytch offers advanced features such as multi-tenancy, role-based access control (RBAC), and single sign-on (SSO). It includes an embeddable admin portal for enterprise customers to manage authentication configurations and integrations with identity providers. Stytch emphasizes scalability and flexibility, allowing developers to choose between pre-built UI components or fully customized experiences.
Stytch supports a broad range of programming languages and frameworks, including Python, Node.js, Java, React, and iOS, making it easy to integrate into existing tech stacks.
Stytch includes security features such as real-time bot detection, device-aware multi-factor authentication, and intelligent rate limiting to protect against credential stuffing and account abuse. Their infrastructure ensures reliable delivery of login codes and authentication requests, even during failures of SMS or email providers.
Currently, there are no user-generated pros and cons available for Stytch. However, it is marketed as a leading alternative to Auth0 and offers a free starter plan with up to 25 organizations and 1000 members, with additional users costing $0.05 per monthly active user.
Auth.js, formerly known as NextAuth, is an open-source authentication library originally built for NextJS. It is free to use and offers over 80 integrations for various third-party identity providers such as Google, Facebook, Auth0, and Apple. Auth.js can also be used with your own database, supporting MySQL, Postgres, MSSQL, and MongoDB.
As of March 2024, Auth.js is compatible with Next.js, SvelteKit, and SolidStart.
Yes, you can use Auth.js with your own database. It supports MySQL, Postgres, MSSQL, and MongoDB.
Auth.js offers a variety of features including over 80 integrations with third-party identity providers like Google, Facebook, Auth0, and Apple. It is also compatible with multiple platforms such as Next.js, SvelteKit, and SolidStart, and supports various databases including MySQL, Postgres, MSSQL, and MongoDB.
