Amazon Cognito vs. Auth0 by Okta

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.

Auth0 by Okta

Auth0 is an identity and access management (IAM) platform designed to simplify authentication and authorization for applications. It provides a flexible solution that allows developers to implement secure login systems without having to build them from the ground up. Auth0 supports various authentication methods, including username-password credentials, social logins (like Google, Facebook, and GitHub), enterprise identity providers (such as Active Directory and SAML-based systems), and passwordless options. The platform is highly adaptable, offering over 30 software development kits (SDKs) that cater to a wide range of languages and frameworks—JavaScript, Python, .NET, iOS, Android, and more. This makes integration straightforward regardless of the tech stack. Beyond basic authentication, Auth0 offers advanced features like multi-factor authentication (MFA), single sign-on (SSO), and fine-grained authorization. These tools enable organizations to enforce complex access control polici...

Reviews

Reviews

Reviewed on 2/25/2025

Auth0 is Okta's B2C identity management solution. It's an all-in-one package, with social login, bot detection, UI components, anonymous users, single-sign-on, MFA etc. The free tier comes with 7,500 MAUs. That said, it's relatively expensive and 20,000 MAUs will cost you $1400/month.

Pros
ItemVotesUpvote
Generous free tier1
Low price per monthly active user1
Part of AWS ecosystem1
Cons
ItemVotesUpvote
Confusing, sometimes misleading documentation1
Difficult to set up1
Pros
ItemVotesUpvote
Offers passwordless, social, and multifactor auth1
Extensive documentation and community support1
Breach detection and brute-force protection1
Cons
ItemVotesUpvote
Free tier has restrictions on active users and features1
Higher tiers can be expensive1

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