# Shield 2FA Authenticator — Secure Two Factor Auth

> Secure Two Factor Auth (iPhone/iPad app by 冯泰 蔡.)

- Source: https://appshunter.io/ios/app/shield-2fa-authenticator/id6773809514 (this page in markdown: same URL + `.md`)
- Developer: [冯泰 蔡](https://appshunter.io/developer/1896641064)
- Category: Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.2 · 12 MB
- Languages: American English
- Released: 2026-06-02
- Data updated: 2026-08-08
- User reviews in markdown: https://appshunter.io/ios/app/shield-2fa-authenticator/id6773809514/reviews.md

## What is Shield 2FA Authenticator?

Shield 2FA Authenticator is a simple and secure two-factor authentication (2FA / MFA) application based on standard TOTP algorithms.

Key Features:

TOTP Code Generation: Generates time-based 6-digit verification codes.
Account Setup: Scan QR codes or manually enter secret keys.
Local Storage: Secret keys are encrypted and saved locally on your device.
Category Management: Organize accounts with custom categories.
Backup and Export: Supports encrypted data export and import for seamless migration.
Auto-Renewable Subscription Information:

Title: Shield 2FA Authenticator Pro (Weekly / Monthly / Yearly)
Payment and Renewal: Payment will be charged to your iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period.
Cancellation: You can manage or turn off auto-renewal anytime in your iOS Settings -> Apple ID -> Subscriptions.
Privacy Policy and Terms:

Privacy Policy: https://fengtai.xswd.tk/yinsi.html
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Pro Security - Weekly | $4.99 | per 7 days |
| Pro Security - Monthly | $12.99 | per month |
| Pro Security - Yearly | $39.99 | per year |



## Version history (last 5 releases)

### 2.2.11 — 2026-08-04

Gave our code a squeaky-clean spring cleaning and squashed hidden bugs! Your favorite 2FA guardian is now more reliable and caring than ever!

### 2.1.10 — 2026-07-21

bug fix

### 2.0.42 — 2026-07-15

fix bugs

### 2.0.41 — 2026-07-14

General bug fixes and stability improvements.

### 2.0.4 — 2026-06-04

Fix a problem of misaligned page display

## More apps by 冯泰 蔡

- [Process Engineer Calc - LMS](https://appshunter.io/ios/app/process-engineer-calc-lms/id6774295442)
- [PicShield - Blur & Watermark](https://appshunter.io/ios/app/picshield-blur-and-watermark/id6792524094)

All apps by 冯泰 蔡: https://appshunter.io/developer/1896641064

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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 2026-08-08.*