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.
Better Auth
vsOTP Auth
Better Auth vs OTP Auth
How do Better Auth and OTP Auth compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | Better Auth | OTP Auth |
|---|---|---|
| What it is | Build authentication into applications with Better Auth, an authentication framework. | Manage two-factor authentication codes with OTP Auth, an iOS app listed on the App Store. |
| Website | ||
| Type | App | Website |
| Topic | ||
| Pricing | Freemium | Freemium |
| Platforms | Web | iOS, Web |
| Open source | Yes | Not stated |
| Language | English | English |
| Alternatives |
Other options to consider
Sites similar to both Better Auth and OTP Auth.
Generate two-factor authentication codes in Chrome, Firefox, or Edge with the Authenticator extension.
Find which websites support two-factor authentication and what methods they offer in this directory.
Snyk helps software teams identify and manage security risks in code and dependencies while building AI-enabled applications.
Facia provides deepfake and liveness detection for identity verification and authentication.
This WebAuthn guide explains an authentication API intended to replace passwords with stronger authentication.