Amazon Cognito alternatives: 6 apps ranked by verified data
Common reasons people leave Amazon Cognito: developer experience and docs are often described as clunky, and password hashes cannot be exported, making migration hard. We ranked 6 alternatives by how directly each one replaces Amazon Cognito, then by reviews, real visits and how recently each app's facts were checked against its own website. Auth0 currently ranks first.
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Show all 6 alternativesThe best Amazon Cognito alternative for…
The highest-ranked app in this list for each need.
Best Amazon Cognito alternative for most people
Auth0Far better developer experience and login customisation, at a higher per-user price.
Best Amazon Cognito alternative for a free option
SuperTokensOpen-source and self-hostable, so you keep user data and can migrate freely.
Best Amazon Cognito alternative for a free plan you can upgrade
ClerkDrop-in components and a smoother setup for web apps.
Best Amazon Cognito alternative for open source
KeycloakRun your own identity server, including on AWS, with no per-user fees.
Best Amazon Cognito alternative for self-hosting
FusionAuthSelf-hostable on AWS with full API control and exportable users.
Best Amazon Cognito alternative for Mac
KeycloakRun your own identity server, including on AWS, with no per-user fees.
Best Amazon Cognito alternative for Windows
KeycloakRun your own identity server, including on AWS, with no per-user fees.
Best Amazon Cognito alternative for Linux
KeycloakRun your own identity server, including on AWS, with no per-user fees.
Best Amazon Cognito alternative for iPhone and Android
FirebaseGoogle's equivalent, with simple client SDKs and a generous free auth tier for mobile apps.
Best Amazon Cognito alternative for working in the browser
Auth0Far better developer experience and login customisation, at a higher per-user price.
Amazon Cognito alternatives: common questions
What is the best alternative to Amazon Cognito?
Auth0 ranks first right now. Far better developer experience and login customisation, at a higher per-user price. Clerk and SuperTokens follow it in our ranking.
Is there a free alternative to Amazon Cognito?
Yes. Auth0 (free plan + paid), Clerk (free plan + paid), SuperTokens (open source) and Keycloak (open source) have a free option. Check each app's verified facts for current plan limits.
Is there an open-source alternative to Amazon Cognito?
Yes: SuperTokens and Keycloak. SuperTokens and Keycloak can also be self-hosted.
Which Amazon Cognito alternatives work on Linux?
Keycloak and FusionAuth run on Linux.
Why do people switch from Amazon Cognito?
The complaints we hear most: developer experience and docs are often described as clunky; password hashes cannot be exported, making migration hard; limited customisation of hosted login pages.
How is this list ranked?
Every app is scored with the same published formula: how directly it replaces Amazon Cognito, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.