Open Authenticator

Plans and prices

Every plan, in full

On the record

Backend development

The backend repository says the backend is still in development.github.com · read 9 Oct 2026

Backend sign-in

The backend documents Google, Apple, GitHub, Microsoft, and email as configurable authentication providers.github.com · read 9 Oct 2026

Code type

totpopenauthenticator.app · read 21 Sep 2026

Compatibility

It works with services that support two-factor authentication, including Google, GitHub, and Discord.openauthenticator.app · read 9 Oct 2026

Encrypted backup

Yesopenauthenticator.app · read 21 Sep 2026

Encryption

Data is encrypted before transmission using a key derived from a master password.openauthenticator.app · read 9 Oct 2026

License

The source code is public under the GNU GPL v3 license.openauthenticator.app · read 9 Oct 2026

Multi-device sync

Yesopenauthenticator.app · read 21 Sep 2026

Privacy

The maker says the app has no ads, tracking, or data collection.openauthenticator.app · read 9 Oct 2026

Purpose

Open Authenticator is a cross-platform TOTP manager for protecting accounts with two-factor authentication.openauthenticator.app · read 9 Oct 2026

Self-hosting requirements

Self-hosting requires a Node.js environment, pnpm, a compatible database, and compatible storage; email and key-value storage are optional.github.com · read 9 Oct 2026

Supported platforms

Android,iOS,macOS,Windows,Linuxopenauthenticator.app · read 21 Sep 2026

Sync

The app synchronizes TOTPs across devices, and its backend can be self-hosted.openauthenticator.app · read 9 Oct 2026

TOTP limit

The backend configuration documents a default limit of six TOTPs for regular users and 100 for contributor users.github.com · read 9 Oct 2026

Translations

The app is multilingual, with translations contributed by the community.openauthenticator.app · read 9 Oct 2026

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B BitwardenAndroidiPhone & iPad+7 HA HYPR AuthenticateAndroidiPhone & iPad+5 DM Duo MobileAndroidiPhone & iPad PA Proton AuthenticatorAndroidiPhone & iPad+3 SA SAASPASS AuthenticatorAndroidiPhone & iPad+5 L LoginTCAndroidiPhone & iPad+5 EA Ente AuthAndroidiPhone & iPad+4 YA Yubico AuthenticatorAndroidiPhone & iPad+3

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