# FreeOTP Authenticator vs Duo Auty 2FA

The clearest difference is rating: Duo Auty 2FA at 5.0 against FreeOTP Authenticator's 3.2. FreeOTP Authenticator's advantage is review sentiment (36% vs 0%) and in-app purchases (none vs 2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Duo Auty 2FA sells 2 in-app purchases, starting at $9.99 per month. FreeOTP Authenticator asks for nothing beyond the download.

Duo Auty 2FA holds the better App Store score, 5.0 against 3.2. That said, the two scores are not equally well evidenced: FreeOTP Authenticator has 172 ratings behind it against 4, so its average is the more settled of the two. Written reviews complicate that: 36% of FreeOTP Authenticator'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.

FreeOTP Authenticator ships an update every 6 months, Duo Auty 2FA every 8 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | FreeOTP Authenticator | Duo Auty 2FA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (172 ratings)](https://appshunter.io/ios/app/freeotp-authenticator/id872559395/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/duo-auty-2fa-secure-pass/id6480926410/reviews)** |
| Number of ratings | **172** | 4 |
| Positive reviews | **36.3% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 8 months |
| Monetization | **Free** | Subscription |
| Size | 11 MB | 50 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | +17 |
| Developer | [Red Hat](https://appshunter.io/developer/533936015) | [Gurman Galychina LLC](https://appshunter.io/developer/1450092250) |

## What reviewers say

### FreeOTP Authenticator

[App page](https://appshunter.io/ios/app/freeotp-authenticator/id872559395)

Generate one-time passwords for enhanced online account security. This app creates temporary codes that, when used with your regular password, significantly strengthen your login protection. It functions even without an internet connection.

**Highlights:** Generates one-time passwords, Works offline (airplane mode), Supports Google, Facebook, GitHub, etc., Compatible with TOTP/HOTP protocols, Open source software

**In-app purchases:** none

**What reviewers like**

- 🚀 Simple and lightweight
- 🔒 Open source and privacy-focused
- 👍 Clean and intuitive interface
- 💡 Customizable icons for accounts

**What reviewers complain about**

- 🐛 Crashes and bugs after recent updates
- 🔒 Lack of backup/restore functionality
- 💡 Limited customization options
- 👎 Unable to edit or delete accounts

**Reported bugs**

- Camera not working for QR code scanning
- App crashing on launch or when unlocking accounts
- UI issues on larger iOS devices

**Requested features**

- Add ability to manually enter account details
- Implement iCloud/cloud backup sync
- Allow renaming and deleting of accounts
- Provide Apple Watch support


### 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 FreeOTP Authenticator free?

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

### Is Duo Auty 2FA free?

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

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

Duo Auty 2FA is rated higher. FreeOTP Authenticator averages 3.2 out of 5 from 172 ratings, while Duo Auty 2FA averages 5.0 from 4 ratings.

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

Neither FreeOTP Authenticator nor Duo Auty 2FA shows ads.

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

FreeOTP Authenticator ships an update every 6 months, and Duo Auty 2FA every 8 months. Most recently, FreeOTP Authenticator was updated on October 26, 2026 and Duo Auty 2FA on October 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.*