Manage two-factor authentication codes with OTP Auth, an iOS app listed on the App Store.
FreemiumPick
24 alternativesAuthenticator
vsBetter Auth
Authenticator vs Better Auth
How do Authenticator and Better Auth compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | Authenticator | Better Auth |
|---|---|---|
| What it is | Generate two-factor authentication codes in Chrome, Firefox, or Edge with the Authenticator extension. | Build authentication into applications with Better Auth, an authentication framework. |
| Website | ||
| Type | Website | App |
| Topic | ||
| Pricing | Not confirmed | Freemium |
| Platforms | Web | Web |
| Open source | Not stated | Yes |
| Language | English | English |
| Alternatives |
Other options to consider
Sites similar to both Authenticator and Better Auth.
Find which websites support two-factor authentication and what methods they offer in this directory.
Facia provides deepfake and liveness detection for identity verification and authentication.
Generate secure SSL configurations for selected web, database, and mail software.
Pick
24 alternatives
This WebAuthn guide explains an authentication API intended to replace passwords with stronger authentication.
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.