# 2FA Key — OTP Authenticator — Private TOTP for Apple Devices

> Offline two-factor authentication code generator for Apple devices. (iPhone/iPad app by 国城 唐.)

- Source: https://appshunter.io/ios/app/2fa-key-otp-authenticator/id6819982021 (this page in markdown: same URL + `.md`)
- Developer: [国城 唐](https://appshunter.io/developer/6819789053)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 17.0 · 10 MB
- Languages: American English, French (France), German (Germany), Japanese, Korean, Chinese (Simplified, China), European Spanish, Chinese (Traditional, Taiwan)
- Released: 2026-10-12
- Data updated: 2026-10-24
- Monetization: free with in-app purchases

## What is 2FA Key?

2FA Key is a calm, private authenticator for Apple devices. Generate time-based one-time passwords offline and copy them when you need them—without creating an account.

MADE FOR APPLE DEVICES
Use the same familiar flow on iPhone, iPad, Mac, and Apple Watch. Keep your most important accounts close with pinned accounts, groups, and a layout that puts the code first.

PRIVATE BY DEFAULT
• TOTP codes are generated on your device
• QR images are recognized on your device
• Optional iCloud Keychain support uses Apple’s system delivery
• Face ID or device authentication can protect the vault
• No account, ads, or analytics required

RECOVERY LAB
Check whether this device can read your local vault and generate codes before you need them. See the exact boundary between a local check and iCloud delivery to another device.

CODE DOCTOR
When a code is rejected, inspect the account’s algorithm, digit count, period, remaining time, and duplicate secrets. Get a clear next step before deleting and re-adding an account.

ONE-TIME PURCHASE
Manage one account for free. Unlock unlimited accounts with a single purchase. There is no recurring subscription.

2FA Key supports standard TOTP accounts and common otpauth QR codes. It does not provide approval prompts or SMS codes.

## Key features

- Offline TOTP generation
- QR code scanning for setup
- Tap to copy codes
- Account organization into groups
- iCloud Keychain sync
- App Lock protection

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| 2FA Key Lifetime | $2.00 | one-time |


## Is 2FA Key safe?

Not enough ratings yet to assess 2FA Key.

## Is 2FA Key legit?

2FA Key — OTP Authenticator has limited verification signals. The AppsHunter Legitimacy Score for 2FA Key is 58 out of 100 points across 7 verification signals from App Store and developer data.


## Frequently asked questions about 2FA Key

### What is 2FA Key?

2FA Key is a utility app that generates time-based one-time passwords (TOTP) for two-factor authentication. It allows you to secure your online accounts by providing an extra layer of security beyond just a password.

### Does 2FA Key work offline?

Yes, 2FA Key can generate one-time passwords even when you don't have an internet connection. This ensures you can always access your accounts, regardless of your network availability.

### How do I add accounts to 2FA Key?

You can add accounts by scanning a QR code displayed during the setup of a service, importing a QR code image, or by manually entering the account details provided by the service.

### What languages does 2FA Key support?

2FA Key supports English, Simplified Chinese, Traditional Chinese, Japanese, Korean, German, French, and Spanish. It automatically detects your system language but can also be set manually.

### How much does 2FA Key cost?

The app is free to download and use for one account. A one-time purchase is available to unlock unlimited accounts permanently, with no subscription required.

### Is 2FA Key safe to use?

Yes, 2FA Key uses your device's authentication (like Face ID or Touch ID) to protect your generated codes through its App Lock feature. It is rated for ages 4+.

### What devices is 2FA Key available on?

2FA Key is available on iPhone, iPad, Mac, and Apple Watch, allowing for seamless access across your Apple ecosystem.

### How often is 2FA Key updated?

The app was last updated on October 13, 2026, with version 1.0. This indicates a recent release, and further updates can be expected based on developer activity.

## Version history (last 2 releases)

### 1.1 — 2026-10-19

Search now stays smooth while you type, then refreshes results after you pause.

Recovery Lab checks local vault access and code generation. Code Doctor explains account parameters when a service rejects a code.

We also refined the Apple device layout so the code stays the focus.

### 1.0 — 2026-10-13

No release notes.

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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 2026-10-24.*