Auth.js offers over 80 integrations for various third-party identity providers such as Google, Facebook, Auth0, and Apple. AWS Cognito also supports integration with consumer identity providers like Google and Facebook. However, the breadth of integrations available with Auth.js may provide more flexibility for developers requiring a wider range of third-party identity providers.

Auth.js, formerly known as NextAuth, was originally built for Next.js and is specifically designed to work seamlessly with it. While AWS Cognito can be integrated with a Next.js project, Auth.js is inherently more suitable due to its native compatibility and tailored features for Next.js.

AWS Cognito is built on Amazon Web Services' infrastructure, which is renowned for its scalability and reliability. This makes AWS Cognito highly scalable for large applications. While Auth.js is effective and flexible, especially for smaller to medium-sized projects, it may not match the scalability offered by AWS Cognito due to the extensive AWS ecosystem backing it.

Auth.js is an open-source library and is free to use, which can make it a more cost-effective solution for developers working on a budget. AWS Cognito, while offering robust features, comes with costs associated with AWS services, which can add up depending on the scale of your application and the number of users.

Amazon Cognito is an identity platform for web and mobile apps. It serves as a user directory, an authentication server, and an authorization service for OAuth 2.0 access tokens and AWS credentials. With Amazon Cognito, you can authenticate and authorize users from the built-in user directory, from your enterprise directory, and from consumer identity providers like Google and Facebook.

Pros of AWS Cognito include its generous free tier, low price per monthly active user, and strong integration with the AWS ecosystem. These features make it a cost-effective and scalable solution for user authentication. However, some users may find the setup and configuration complex if they are not familiar with AWS services.

AWS Cognito can handle authentication from the built-in user directory, enterprise directories, and consumer identity providers like Google and Facebook. This makes it versatile for different types of applications and user bases.

Yes, AWS Cognito is suitable for large-scale applications due to its scalability and integration with the AWS ecosystem. It can handle a high number of users and provides features like multi-factor authentication and encryption for added security.

Yes, AWS Cognito integrates seamlessly with other AWS services such as AWS Lambda, Amazon API Gateway, and Amazon S3. This allows developers to build comprehensive solutions with secure user authentication and data management.

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.