Generate two-factor authentication codes, restore token backups and authenticate through browser extensions.

What it does

Generate two-factor authentication codes, restore token backups and authenticate through browser extensions. The app works offline and does not require an account.

Pricing: is 2FA Authenticator (2FAS) free?

US App Store download: Free (USD), checked 2026-09-22. Open-source software; hosted services or other add-ons may have separate charges.

Screenshots

Developer-provided iOS screenshots.

Authentication-code list that works without an account.

Encrypted iCloud backup and restore screen for tokens.

Authenticator import workflow for another 2FA provider.

Browser extension approval prompt connected to the mobile app.

Features

Token backups

Easily restore your tokens with backups.

Developer’s App Store feature description (iOS)

Passcode and biometric lock

Add app protection with your passcode or biometrics.

Developer’s App Store feature description (iOS)

Open-source code

2FAS is open-source, transparent, and community-driven.

Developer’s App Store feature description (iOS)

Device sync

2FAS syncs across your mobile devices.

Developer’s App Store feature description (iOS)

Simple interface

An interface designed for simplicity.

Developer’s App Store feature description (iOS)

Sources & verification

2FA Authenticator (2FAS): developer's App Store listing (US)Primary source
Developer’s App Store feature description (iOS)Primary source

Last verified: 22 September 2026. Features not listed here may be unverified.

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