# Authenticator App vs Duo Auty 2FA

The clearest difference is monetization model: Authenticator App at free with in-app purchases against Duo Auty 2FA's subscription. Authenticator App also leads on update cadence (every 11 days vs every 8 months) and ratings volume (400 vs 4). Duo Auty 2FA's advantage is ads (none vs shown) and rating (5.0 vs 4.6). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Authenticator App sells 3 in-app purchases, starting at $6.99 per 7 days and Duo Auty 2FA sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Duo Auty 2FA holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Authenticator App has 400 ratings behind it against 4, so its average is the more settled of the two.

Authenticator App ships an update every 11 days, Duo Auty 2FA every 8 months. The most recent releases landed on September 22, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Authenticator App | Duo Auty 2FA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (400 ratings)](https://appshunter.io/ios/app/authenticator-app-two-factor/id1660270019/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/duo-auty-2fa-secure-pass/id6480926410/reviews)** |
| Number of ratings | **400** | 4 |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 11 days** | Every 8 months |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 34 MB | 50 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Linda Lopez](https://appshunter.io/developer/1767333589) | [Gurman Galychina LLC](https://appshunter.io/developer/1450092250) |

## What reviewers say

### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-two-factor/id1660270019)

Secure your online accounts with this simple and safe two-factor authentication app. It generates 6-digit one-time passwords to add an extra layer of security against hackers. Protect your accounts by scanning QR codes or manually entering tokens.

**Highlights:** Secures online accounts, Generates 6-digit TOTP codes, Supports QR code scanning, Manual token entry, Offline code generation, Adds extra security layer

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator App Duo Authy | $6.99 | per 7 days |
| Authenticator App Duo Authy | $6.99 | per 7 days |
| Authenticator App Duo Authy | $14.99 | per month |


### Duo Auty 2FA

[App page](https://appshunter.io/ios/app/duo-auty-2fa-secure-pass/id6480926410)

Enhance your online security with this two-factor authentication app. It supports time-based one-time passwords (TOTP) and PUSH authentication for seamless and secure access to your accounts. Add multiple accounts, customize with brand icons, and unlock with biometrics.

**Highlights:** Two-factor authentication (2FA), TOTP and PUSH authentication, QR code scanning and import, Manual code entry, Brand icon customization, Biometrics integration

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly with trial | $9.99 | per month |
| Yearly plan with trial | $59.99 | per year |


## Frequently asked questions

### Is Authenticator App free?

Authenticator App is free to download, with in-app purchases available.

### Is Duo Auty 2FA free?

Duo Auty 2FA is free to download, with in-app purchases available.

### Which has better reviews, Authenticator App or Duo Auty 2FA?

Duo Auty 2FA is rated higher. Authenticator App averages 4.6 out of 5 from 400 ratings, while Duo Auty 2FA averages 5.0 from 4 ratings.

### Do Authenticator App or Duo Auty 2FA have ads?

Authenticator App shows ads; Duo Auty 2FA does not.

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

Authenticator App ships an update every 11 days, and Duo Auty 2FA every 8 months. Most recently, Authenticator App was updated on September 22, 2026 and Duo Auty 2FA on September 11, 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.*