Better Auth
vs
Authenticator

Better Auth vs Authenticator

How do Better Auth and Authenticator compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.

Directory details: Better Auth and Authenticator
Directory detailBetter AuthAuthenticator
What it is
Build authentication into applications with Better Auth, an authentication framework.
Generate two-factor authentication codes in Chrome, Firefox, or Edge with the Authenticator extension.
Website
Type
App
Website
Topic
Pricing
Freemium
Not confirmed
Platforms
Web
Web
Open source
Yes
Not stated
Language
English
English
Alternatives

Other options to consider

Sites similar to both Better Auth and Authenticator.

Lucia

lucia-auth.com

Lucia was deprecated in March 2025. The website was updated in July 2026 and points to code/auth_session.ts as a single-file replacement for the NPM package and to the Auth Book for auth information.