# Authentication App vs Duo Auty 2FA

The clearest difference is review sentiment: Authentication App at 74% against Duo Auty 2FA's 0%. Authentication App also leads on monetization model (freemium vs subscription) and ratings volume (593 vs 4). Duo Auty 2FA's advantage is rating (5.0 vs 4.3). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Authentication App sells 2 in-app purchases, starting at $9.99 per month 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: Authentication App has 593 ratings behind it against 4, so its average is the more settled of the two. Written reviews complicate that: 74% of Authentication App's written reviews are positive against 0% of Duo Auty 2FA's, so the app with the better star average is not the one people write more warmly about.

Authentication App ships an update every 2 months, Duo Auty 2FA every 8 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Authentication App | Duo Auty 2FA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (593 ratings)](https://appshunter.io/ios/app/authentication-app-mfa-totp/id6443597953/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/duo-auty-2fa-secure-pass/id6480926410/reviews)** |
| Number of ratings | **593** | 4 |
| Positive reviews | **74.2% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | **Freemium** | Subscription |
| Size | 66 MB | 50 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | +17 |
| Developer | [Soufiane Benabid](https://appshunter.io/developer/938808835) | [Gurman Galychina LLC](https://appshunter.io/developer/1450092250) |

## What reviewers say

### Authentication App

[App page](https://appshunter.io/ios/app/authentication-app-mfa-totp/id6443597953)

Enhance your online account security with this two-factor authentication utility. Easily add accounts by scanning QR codes or entering details manually. Securely back up and sync your data with iCloud Keychain for device loss or upgrades.

**Highlights:** Two-factor authentication (2FA), QR code scanning for account setup, Manual account detail entry, Secure backup and sync with iCloud Keychain, Password and Face ID lock, Multi-device sync

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authentificator - Monthly | $9.99 | per month |
| Authentificator - Yearly | $39.99 | per year |

**What reviewers like**

- 👍 Easy to use and user-friendly interface
- 🔒 Reliable authentication functionality
- ⭐ Excellent overall performance
- 😊 Smooth and stress-free experience
- 💯 Best-in-class authenticator app

**What reviewers complain about**

- 🐛 App doesn't work reliably
- 💰 High pricing relative to competitors
- 😕 Confusing for some users
- ⚠️ Account loss issues reported

**Reported bugs**

- App fails to function properly for some users
- Account data loss or inaccessibility
- Inconsistent performance across devices

**Requested features**

- Better account recovery options
- Improved user onboarding/documentation


### 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 Authentication App free?

Authentication 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, Authentication App or Duo Auty 2FA?

Duo Auty 2FA is rated higher. Authentication App averages 4.3 out of 5 from 593 ratings, while Duo Auty 2FA averages 5.0 from 4 ratings.

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

Neither Authentication App nor Duo Auty 2FA shows ads.

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

Authentication App ships an update every 2 months, and Duo Auty 2FA every 8 months. Most recently, Authentication App was updated on October 27, 2026 and Duo Auty 2FA on October 24, 2026.

---

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