# Authenticator App vs Shield 2FA Authenticator

The clearest difference is in-app purchases: Authenticator App at none against Shield 2FA Authenticator's 3. Authenticator App also leads on device support (3 vs 1) and iOS requirement (14.1 vs 17.2). Shield 2FA Authenticator's advantage is ads (none vs shown) and update cadence (every 6 days vs every 2 months). On price there is nothing between them.

Both are free to download. Shield 2FA Authenticator sells 3 in-app purchases, starting at $4.99 per 7 days. Authenticator App asks for nothing beyond the download.

Authenticator App ships an update every 2 months, Shield 2FA Authenticator every 6 days. The most recent releases landed on September 29, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Authenticator App | Shield 2FA Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/authenticator-app-privacy/id6736870186/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | Ad-supported | — |
| Size | 24 MB | 12 MB |
| Requires iOS | **14.1** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MTPHoldings LLC](https://appshunter.io/developer/1130992137) | [冯泰 蔡](https://appshunter.io/developer/1896641064) |

## What reviewers say

### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-privacy/id6736870186)

Enhance your digital security with this multi-factor authentication app. It provides an extra layer of protection for your online accounts beyond just passwords, safeguarding sensitive data from unauthorized access. Easily integrate with popular services and generate dynamic, time-sensitive passcodes.

**Highlights:** Seamless MFA & 2FA integration, QR code scanning for setup, Time-based and HMAC one-time passwords, Biometric security (Face ID/Touch ID), End-to-end encrypted iCloud backup/sync, Export/import one-time passwords, Cross-device password sending

**Features:** macOS Compatibility

**In-app purchases:** none


### Shield 2FA Authenticator

[App page](https://appshunter.io/ios/app/shield-2fa-authenticator/id6773809514)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

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


## Frequently asked questions

### Is Authenticator App free?

Authenticator App is free to download, with no in-app purchases.

### Is Shield 2FA Authenticator free?

Shield 2FA Authenticator is free to download, with in-app purchases available.

### Do Authenticator App or Shield 2FA Authenticator have ads?

Authenticator App shows ads; Shield 2FA Authenticator does not.

### Which is updated more often, Authenticator App or Shield 2FA Authenticator?

Authenticator App ships an update every 2 months, and Shield 2FA Authenticator every 6 days. Most recently, Authenticator App was updated on September 29, 2026 and Shield 2FA Authenticator on September 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*