# Authenticator vs Duo Auty 2FA

The clearest difference is rating: Duo Auty 2FA at 5.0 against Authenticator's 4.3. Duo Auty 2FA also leads on ads (none vs shown) and update cadence (every 8 months vs every 33 months). Authenticator's advantage is monetization model (free with in-app purchases vs subscription) and ratings volume (31 vs 4). On price, review sentiment, in-app purchases and device support there is nothing between them.

Both are free to download. Authenticator sells 6 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 4.3. That said, the two scores are not equally well evidenced: Authenticator has 31 ratings behind it against 4, so its average is the more settled of the two. Written reviews split almost evenly too, at 0% and 0% positive.

Authenticator ships an update every 33 months, Duo Auty 2FA every 8 months. The most recent releases landed on October 6, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Authenticator | Duo Auty 2FA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (31 ratings)](https://appshunter.io/ios/app/authenticator-secure-2fa-app/id6472184300/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/duo-auty-2fa-secure-pass/id6480926410/reviews)** |
| Number of ratings | **31** | 4 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 33 months | **Every 8 months** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 35 MB | 50 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | +17 |
| Developer | [Piotr Kalita](https://appshunter.io/developer/1759390978) | [Gurman Galychina LLC](https://appshunter.io/developer/1450092250) |

## What reviewers say

### Authenticator

[App page](https://appshunter.io/ios/app/authenticator-secure-2fa-app/id6472184300)

This app provides robust two-factor authentication to secure your online accounts. It offers features like account organization, secure password storage, and cross-device synchronization for enhanced digital identity protection.

**Highlights:** Two-factor authentication (2FA), Account creation via QR code or manual entry, Account organization with folders, Secure password and recovery code storage, Cross-device synchronization and backup, Face ID app lock

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator: Secure 2FA App | $6.99 | per 7 days |
| 2FA Authenticator: MFA, TOTP | $9.99 | per 7 days |
| Authenticator: Secure 2FA App | $14.99 | per month |
| Authenticator: Secure 2FA App | $15.99 | per month |
| Authenticator: Secure 2FA App | $83.99 | per year |
| Two Factor Verify - Duo Auth | $99.99 | per year |


### 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 free?

Authenticator 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 or Duo Auty 2FA?

Duo Auty 2FA is rated higher. Authenticator averages 4.3 out of 5 from 31 ratings, while Duo Auty 2FA averages 5.0 from 4 ratings.

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

Authenticator shows ads; Duo Auty 2FA does not.

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

Authenticator ships an update every 33 months, and Duo Auty 2FA every 8 months. Most recently, Authenticator was updated on October 6, 2026 and Duo Auty 2FA on October 15, 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.*