Auth
Sign-in, organisations and SSO. Most free plans are measured in monthly active users. The figure is the one on the vendor's pricing page on the check date.
Auth 11
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Clerk
Hobby
50,000 MRU per app
Prebuilt sign-in, user management and organisations. Hobby is free, with no credit card, and the monthly cap is measured in monthly recognised users per app.
Free, no credit card; 3 dashboard seats, unlimited applications, 5 user impersonations
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Auth0
Free
25,000 MAU
Okta's identity platform. The Free plan is $0 a month and does not need a credit card to start, with a monthly active user cap and one custom domain (card verification required for the domain).
$0 / month, no credit card to sign up; 1 custom domain (card verification required), passwordless, unlimited social connections, 5 organisations
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Stytch
Always free
10,000 MAU
Authentication and authorisation APIs, including B2B organisations. Consumer auth lists an always-free monthly active user allowance.
$0 / month starting point; the pricing page also lists unlimited organisations and 5 SSO or SCIM connections in that always-free set
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Descope
Free Forever
7,500 MAU
Drag-and-drop and API auth workflows. The Free Forever plan is $0, with no overages — you have to upgrade to go past the caps.
$0; 10 monthly active tenants, 3 SSO connections, 5 test users, 10,000 M2M exchanges; no overages
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SuperTokens
Free under 5K MAUs
5,000 MAU
Open-source auth you can self-host or run as a managed service. The managed pricing table lists MAUs as free under a 5,000-user threshold.
The pricing table lists $0 under 5,000 monthly active users, and the first 3 dashboard users as free
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Logto Cloud
Free
50,000 MAU
Open-source identity with a hosted cloud. The Free plan is $0 a month, no credit card, for starting out and trying the product.
$0 / mo, no credit card; 50,000 tokens, user authentication, machine-to-machine and account APIs
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Zitadel
Free
100 daily active users
Open-source identity, hosted or self-hosted. The cloud Free plan is $0 a month and is capped on daily active users rather than a large monthly MAU number.
$0 / month; unlimited stored users and organisations, 3 identity providers, data residency options
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Hanko Cloud
Starter
10,000 MAU
Passkey-first authentication. The Starter plan is free, with no credit card, and includes a monthly active user allowance and a small number of projects.
Free; 2 projects, passkeys, passwords, passwordless, social SSO, MFA, custom domain, no credit card
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Frontegg
$0 / month
7,500 MAU
User management and hosted login aimed at B2B apps. The $0 plan includes a monthly active user cap and a handful of enterprise connections.
Fully customised hosted login, 5 enterprise connections (SSO/SCIM), unlimited organisations, custom domain
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Amazon Cognito
Free tier
10,000 MAU
AWS user pools and identity pools. Essentials and Lite have a free tier that does not expire with the 12-month AWS Free Tier and is available to new and existing customers, except in GovCloud.
For users who sign in directly or through a social IdP, per account or AWS organisation; does not expire with the 12-month Free Tier
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WorkOS
Free
Up to 1 million users
Enterprise features such as SSO and directory sync, plus AuthKit. The pricing page lists a $0 monthly starting point and free coverage up to a million users for the user-based line.
$0 / month at the starting point shown for that user-based line on the pricing page
Nothing matches.
Other lists
When a limit changes
A short note when we re-check the list. No other mail.