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Chronos

Chronos is an open-source two-factor authentication (2FA) app for iOS, developed natively in SwiftUI. It aims to provide robust security and reliable backup features, supporting both time-based (TOTP) and counter-based (HOTP) authentication methods.

Features

  • End-to-end encrypted
    • Only encrypted token data, using XChaCha20-Poly1305, is stored on the device and in iCloud
  • Backup & Sync (optional)
    • Effortlessly backup and sync your data with iCloud
  • Export
    • Easily export your tokens for backup or transfer
    • Encrypted/unencrypted zip archive containing:
      • JSON
      • HTML with QR codes for scanning and printable for offline storage
  • Import
    • 2FAS Authenticator
    • Aegis
    • Ente Authenticator
    • Raivo
    • Google Authenticator
    • LastPass Authenticator
  • Anonymous
    • No telemetry
    • No app account required
  • Built natively with Swift

Screenshots (Preview)

Overview 1 Overview 2 Encrypted Backups Adv. Edit

License

This project is licensed under the GNU Affero General Public License v3.0 - see the LICENSE file for details.