This open-source app provides secure two-factor authentication using time-based and counter-based methods. It offers end-to-end encryption for token data and optional iCloud backup and sync for convenience. Easily import and export your authentication tokens.
20.0
September 15, 2026
What’s New • Optimised for iOS 27
Chronos Authenticator supports both time-based (TOTP) and counter-based (HOTP) authentication methods, offering flexibility for various services.
Yes, Chronos Authenticator provides end-to-end encryption for all token data stored on your device and in iCloud, ensuring robust security.
Chronos Authenticator offers an optional backup and sync feature using iCloud, allowing you to effortlessly back up and sync your data.
You can easily export your tokens from Chronos Authenticator for backup purposes or to transfer them to another device or authenticator app.
No, Chronos Authenticator is designed to be anonymous. It does not require telemetry or an app account for usage.
Chronos Authenticator is currently supported on iPhones, as indicated by the provided device compatibility data.
The latest version of Chronos Authenticator is 19.1, and it was last updated on October 20, 2025, suggesting a recent update cycle.
Based on the available data, Chronos Authenticator has a perfect 5.0-star rating from 3 reviews, indicating very positive user sentiment.
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