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AuthJS vs Logto
People
PriceAuthentication & Identity median $49
Free
Published entry price
$24+per month
Authentication & Identity
Annual estimate10 people, entry price
Free
$288+
Flat rate
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Authentication & Identity
Overview
Focus
Authentication & Identity
Authentication & Identity
Product
Open-source authentication library for web apps supporting NextAuth, SvelteKit, and SolidStart frameworks.
Open source Auth0 alternative with beautiful sign-in experience, multi-tenancy, and enterprise SSO connectors.
Headquarters
Worldwide
Remote
Company size
2-10 employees
11-50 employees
Founded
2017
2022
Pricing details
Plan
Published entry price
Published rate
Free
$24+ / month
Billable seats
Flat rate
Free options
Free plan
Free plan, Free trial
Pricing source
Source updated
Oct 29, 2026
Oct 29, 2026