Authenticator ·
iOS two-factor authentication app that generates TOTP codes for securing online accounts, with iCloud Keychain backup.
About this Tool
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iOS two-factor authentication app that generates TOTP codes for securing online accounts, with iCloud Keychain backup.
The app supports QR code scanning to add new accounts quickly and keeps all tokens in an encrypted local vault. Optional iCloud Keychain sync lets you restore codes when switching devices without exposing them to third-party servers.
Designed for developers and security-conscious users who manage multiple services, it provides a clean, minimal interface that surfaces the right code without friction. There is no AI component — it is a deterministic TOTP utility built on the RFC 6238 standard.
Pros & Cons
✓ Pros
- ✓Simple and focused interface
- ✓Works offline after setup
- ✓Free to use
✗ Cons
- ✗iOS only, no Android or web version
- ✗No cloud backup or sync
- ✗Limited to TOTP, no push-based 2FA
Key Features
QR code scanning to add TOTP accounts instantly
Live countdown timer shows time remaining on each code
Encrypted local vault keeps secrets on-device
iCloud Keychain sync for device-to-device restore
Support for standard RFC 6238 TOTP and HOTP tokens
Clean single-screen interface with no ads
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Frequently Asked Questions
Authenticator · is available as get. Visit the tool's website for the latest pricing details and plan options.
Visit the Authenticator · website to check whether a free tier or free trial is available.
Authenticator · is available on iOS. Check the official website for the latest platform support.
Many tools offer free trials to let you test before subscribing. Check the Authenticator · website for current trial availability and duration.