# Google Authenticator vs Duo Auty 2FA

The clearest difference is in-app purchases: Google Authenticator at none against Duo Auty 2FA's 2. Google Authenticator also leads on ratings volume (1.2M vs 4) and chart position (#3 vs unranked). Duo Auty 2FA's advantage is iOS requirement (14.0 vs 16.0). On price, rating, update cadence and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.9 for Google Authenticator against 5.0 for Duo Auty 2FA. That said, the two scores are not equally well evidenced: Google Authenticator has 1.2M ratings behind it against 4, so its average is the more settled of the two.

Google Authenticator ships an update every 4 months, Duo Auty 2FA every 8 months. The most recent releases landed on September 25, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Google Authenticator | Duo Auty 2FA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (1.2M ratings)](https://appshunter.io/ios/app/google-authenticator/id388497605/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/duo-auty-2fa-secure-pass/id6480926410/reviews)** |
| Number of ratings | **1.2M** | 4 |
| Positive reviews | 58.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 8 months |
| Monetization | **Free** | Subscription |
| Best chart rank | **#3** | — |
| Size | 39 MB | 50 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Google](https://appshunter.io/developer/281956209) | [Gurman Galychina LLC](https://appshunter.io/developer/1450092250) |

## What reviewers say

### Google Authenticator

[App page](https://appshunter.io/ios/app/google-authenticator/id388497605)

**Currently charting:** #3 Top Free · Utilities, #111 Top Free (US App Store)

Enhance your online security with a second verification step for your accounts. Generate codes directly on your phone, even offline, to protect against unauthorized access. Sync codes across devices for easy access and manage multiple accounts securely.

**Highlights:** Offline code generation, Sync codes across devices, Automatic QR code setup, Support for multiple accounts, Time-based and counter-based codes, Transfer accounts via QR code

**In-app purchases:** none

**What reviewers like**

- 👍 User-friendly
- 🔒 Secure authentication
- 🚀 Simple and fast
- 🔒 Reliable security
- 👍 Easy to use

**What reviewers complain about**

- 🐛 Randomly deleted all codes
- 🐛 Unreliable, lost access to accounts
- 🐛 Timing issues, codes didn't work
- 🐛 Accounts duplicated then deleted
- 🐛 Wiped all accounts after update

**Reported bugs**

- Codes randomly deleted
- Accounts wiped after update
- Duplicated accounts then deleted all
- Timing issues, codes didn't work

**Requested features**

- Add scan from photo feature
- Ability to rename and group accounts
- Add Apple Watch app
- Implement cloud backup option


### 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 Google Authenticator free?

Google 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, Google Authenticator or Duo Auty 2FA?

Duo Auty 2FA is rated higher. Google Authenticator averages 4.9 out of 5 from 1.2M ratings, while Duo Auty 2FA averages 5.0 from 4 ratings.

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

Neither Google Authenticator nor Duo Auty 2FA shows ads.

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

Google Authenticator ships an update every 4 months, and Duo Auty 2FA every 8 months. Most recently, Google Authenticator was updated on September 25, 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.*