DevVersus

NextAuth.js (Auth.js) vs Kinde(2026)

NextAuth.js (Auth.js) is better for teams that need free and open source. Kinde is the stronger choice if very generous free tier (10,500 mau). NextAuth.js (Auth.js) is free and Kinde is freemium (from $0 (free up to 10,500 MAU)).

Full feature breakdown, pricing details, and pros & cons below.

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NextAuth.js (Auth.js) logo

NextAuth.js (Auth.js)

free

NextAuth.js is a complete authentication library for Next.js applications with adapters for 60+ databases and providers.

Visit NextAuth.js (Auth.js)
Kinde logo

Kinde

freemium

Kinde is a modern authentication platform with a generous free tier and enterprise-grade features.

Starting at $0 (free up to 10,500 MAU)

Visit Kinde

How Do NextAuth.js (Auth.js) and Kinde Compare on Features?

FeatureNextAuth.js (Auth.js)Kinde
Pricing modelfreefreemium
Starting priceFree$0 (free up to 10,500 MAU)
40+ OAuth providers
Database adapters
JWT sessions
Email magic links
Credentials auth
Social logins
MFA
Organizations
M2M tokens
Feature flags
Custom domains

NextAuth.js (Auth.js) Pros and Cons vs Kinde

N

NextAuth.js (Auth.js)

+Free and open source
+No vendor lock-in
+Highly flexible
+Full control
More setup required
No prebuilt UI
Docs can be confusing
K

Kinde

+Very generous free tier (10,500 MAU)
+Modern DX
+Feature flags included
+Competitive Clerk alternative
Newer platform
Smaller community
Less ecosystem content than Auth0/Clerk

Should You Use NextAuth.js (Auth.js) or Kinde?

Choose NextAuth.js (Auth.js) if…

  • Free and open source
  • No vendor lock-in
  • Highly flexible

Choose Kinde if…

  • Very generous free tier (10,500 MAU)
  • Modern DX
  • Feature flags included

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