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.
OTP Auth
vsBetter Auth
OTP Auth vs Better Auth
How do OTP Auth and Better Auth compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | OTP Auth | Better Auth |
|---|---|---|
| What it is | Manage two-factor authentication codes with OTP Auth, an iOS app listed on the App Store. | Build authentication into applications with Better Auth, an authentication framework. |
| Website | ||
| Type | Website | App |
| Topic | ||
| Pricing | Freemium | Freemium |
| Platforms | iOS, Web | Web |
| Open source | Not stated | Yes |
| Language | English | English |
| Alternatives |
Other options to consider
Sites similar to both OTP Auth and Better 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.






