# Second (2FA) — Secure 2FA Authenticator

> Secure 2FA Authenticator (iPhone/iPad app by 兴毅 廖.)

- Source: https://appshunter.io/ios/app/second-2fa/id6758029629 (this page in markdown: same URL + `.md`)
- Developer: [兴毅 廖](https://appshunter.io/developer/1862012826)
- Category: Utilities, Productivity
- Price: $0.99
- Age rating: 4+
- Requires: iOS 16.0 · 3 MB
- Languages: American English
- Released: 2026-01-21
- Data updated: 2026-05-19
- User reviews in markdown: https://appshunter.io/ios/app/second-2fa/id6758029629/reviews.md

## What is Second (2FA)?

Second is an open‑source 2FA authenticator with transparent, auditable code to help you generate time‑based one‑time passwords (TOTP) securely.

Key features:
• Open‑source and auditable
• Add accounts by QR scan or manual entry
• Real‑time TOTP codes
• End‑to‑end encrypted iCloud sync (optional)
• Local Keychain encryption
• Search and sort for easy management
• One‑tap copy
• No ads, no tracking

Works with any TOTP‑compatible service, including Google, Microsoft, GitHub, Amazon, and more.

Privacy first:
• No personal data collection
• Data is encrypted on device
• iCloud sync uses end‑to‑end encryption


## Version history (last 1 release)

### 1.0 — 2026-01-21

No release notes.

## More apps by 兴毅 廖

- [Always Beats](https://appshunter.io/ios/app/always-beats/id6756645667)
- [摆烂心法](https://appshunter.io/ios/app/id6758284053)

All apps by 兴毅 廖: https://appshunter.io/developer/1862012826

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-19.*