Kinde vs Lucia

Kinde and Lucia are both auth tools. Kinde: All-in-one auth with built-in orgs RBAC feature flags and billing hooks for SaaS Lucia: Lightweight session-based auth library for TypeScript with zero dependencies

Kinde

All-in-one auth with built-in orgs RBAC feature flags and billing hooks for SaaS

Category: Auth
Subcategory: Auth Provider
Pricing: Free (10.5K MAU) / $25/mo+
Tier: free

authauth provider

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Lucia

Lightweight session-based auth library for TypeScript with zero dependencies

Category: Auth
Subcategory: Auth Library
Pricing: Open Source
Tier: open-source

authauth library

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Key differences

Dimension	Kinde	Lucia
Pricing Model	Free (10.5K MAU) / $25/mo+ (free)	Open Source (open-source)
Platform	Auth Provider	Auth Library
Capabilities	auth provider	auth library

Choose Kinde if...

Kinde fits your specific workflow and team preferences

Choose Lucia if...

Lucia fits your specific workflow and team preferences

Trade-offs at a glance

Derived from each tool's pricing tier, category, and tags.

Kinde

Pros

Lower pricing barrier for trying it early.

Lucia

Pros

Lower pricing barrier for trying it early.
Open-source footprint can improve flexibility and control.

Frequently asked questions

Is Kinde or Lucia better for beginners?: Both tools are accessible. Kinde and Lucia are similar in approachability — try both and see which workflow clicks.
Which is cheaper, Kinde or Lucia?: Kinde (Free (10.5K MAU) / $25/mo+) is the more affordable option. Lucia (Open Source) costs more but may offer additional features.
Can I use Kinde and Lucia together?: Kinde and Lucia serve similar roles, so most teams pick one. However, some developers prototype in one and build production code in the other.