Amazon Cognito vs. Auth.js
Amazon Cognito
The biggest advantage of Cognito is that it's a part of the AWS ecosystem and integrates well with other AWS services. The free tier comes with 50,000 MAUs and the price for each additional MAU starts at $0.0055/month and goes down to as low as $0.0025/month as you scale to tens of millions of users. It integrated with four federated identity providers - your users can sign up with Facebook, Google, Apple and Amazon.
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
Reviews
| Item | Votes | Upvote |
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| Generous free tier | 1 | |
| Low price per monthly active user | 1 | |
| Part of AWS ecosystem | 1 |
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| Confusing, sometimes misleading documentation | 1 | |
| Difficult to set up | 1 |
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| No pros yet, would you like to add one? | ||
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| No cons yet, would you like to add one? | ||
Frequently Asked Questions
AWS Cognito and Auth.js serve different needs and have their own strengths. AWS Cognito integrates well with other AWS services and offers a generous free tier along with a low cost per monthly active user. However, its documentation can be confusing and it may be difficult to set up. Auth.js, on the other hand, is an open-source library that provides over 80 integrations for third-party identity providers and supports various databases. It is free to use and compatible with Next.js, SvelteKit, and SolidStart. The choice between the two depends on your specific requirements, such as integration needs, ease of setup, and cost considerations.
Auth.js offers more integration options compared to AWS Cognito. Auth.js supports over 80 third-party identity providers, including Google, Facebook, Auth0, and Apple, and can be used with different databases like MySQL, Postgres, MSSQL, and MongoDB. AWS Cognito integrates well with the AWS ecosystem and supports four federated identity providers: Facebook, Google, Apple, and Amazon. If integration with a wide range of third-party providers is a priority, Auth.js is the better choice.
AWS Cognito can be more cost-effective for large-scale applications due to its tiered pricing model, which starts at $0.0055 per monthly active user and can go down to $0.0025 as you scale to tens of millions of users. Auth.js is free to use, but you may incur additional costs depending on the third-party identity providers and databases you integrate with. The overall cost-effectiveness will depend on your specific usage and integration needs.
Auth.js is generally considered easier to set up compared to AWS Cognito. AWS Cognito's setup process can be complex and its documentation is sometimes confusing and misleading. Auth.js, being an open-source library with a focus on simplicity, tends to have a more straightforward setup process, especially for developers familiar with Next.js, SvelteKit, or SolidStart.
The pros of Amazon Cognito include its generous free tier, low price per monthly active user, and seamless integration with the AWS ecosystem. However, users have reported that the documentation can be confusing and sometimes misleading, and setting up the service can be difficult.
Amazon Cognito is a user authentication service that is part of the AWS ecosystem. It allows users to sign up and sign in with federated identity providers like Facebook, Google, Apple, and Amazon. The service offers a free tier with 50,000 monthly active users (MAUs), and the cost for additional users starts at $0.0055 per MAU, decreasing as the number of users increases.
The main features of Amazon Cognito include integration with four federated identity providers (Facebook, Google, Apple, and Amazon), a generous free tier with 50,000 monthly active users, and competitive pricing that decreases as the number of users scales. It also integrates well with other AWS services, making it a comprehensive solution for user authentication within the AWS ecosystem.
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.
