# Duo Authenticator vs 2FA Authenticator

The clearest difference is rating: 2FA Authenticator at 4.5 against Duo Authenticator's 4.2. 2FA Authenticator also leads on review sentiment (67% vs 50%) and ratings volume (103 vs 24). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Duo Authenticator sells 3 in-app purchases, starting at $3.99 per 7 days and 2FA Authenticator sells 4 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

2FA Authenticator holds the better App Store score, 4.5 against 4.2. Both are backed by a comparable volume of ratings — 24 and 103 respectively. Written reviews point the same way: 50% of Duo Authenticator's written reviews are positive against 67% of 2FA Authenticator's.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 9, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Duo Authenticator | 2FA Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (24 ratings)](https://appshunter.io/ios/app/duo-authenticator/id1665454984/reviews) | **[4.5 (103 ratings)](https://appshunter.io/ios/app/2fa-authenticator-auth-app-plus/id6474504099/reviews)** |
| Number of ratings | 24 | **103** |
| Positive reviews | 50.0% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 60 MB | 35 MB |
| Requires iOS | 16.6 | **14.3** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Petr Polasek](https://appshunter.io/developer/1613323784) | [APPSTER LIMITED](https://appshunter.io/developer/1625900371) |

## What reviewers say

### Duo Authenticator

[App page](https://appshunter.io/ios/app/duo-authenticator/id1665454984)

Enhance your online security with this multi-factor authentication app. It provides an extra layer of protection for your accounts by generating time-sensitive codes, even when offline. Secure your sensitive information with ease and peace of mind.

**Highlights:** Quick and easy setup, Wide service compatibility, Time-sensitive security codes, Offline code generation, End-to-end encryption, Security code protection

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 1 Week | $3.99 | per 7 days |
| Premium 1 Month | $9.99 | per month |
| Premium 1 Year | $29.99 | per year |


### 2FA Authenticator

[App page](https://appshunter.io/ios/app/2fa-authenticator-auth-app-plus/id6474504099)

Enhance your online account security with this tool that generates two-factor authentication (2FA) codes. It supports a wide range of services and offers effortless setup with a user-friendly interface. Secure your digital identity and gain peace of mind.

**Highlights:** Generate two-factor authentication codes, Support for a wide range of services, Effortless setup process, QR code scanning for quick setup, Intuitive and user-friendly interface, Customizable icons for codes

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly plan | $4.99 | per 7 days |
| Monthly plan | $9.99 | per month |
| Yearly plan with free trial | $39.99 | per year |
| Yearly plan with weekly trial | $89.99 | per year |


## Frequently asked questions

### Is Duo Authenticator free?

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

### Is 2FA Authenticator free?

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

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

2FA Authenticator is rated higher. Duo Authenticator averages 4.2 out of 5 from 24 ratings, while 2FA Authenticator averages 4.5 from 103 ratings.

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

Both Duo Authenticator and 2FA Authenticator show ads.

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

Duo Authenticator ships an update monthly, and 2FA Authenticator monthly. Most recently, Duo Authenticator was updated on October 9, 2026 and 2FA Authenticator on October 5, 2026.

---

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