# Authenticator Duo vs Authenticator

The clearest difference is rating: Authenticator Duo at 5.0 against Authenticator's 3.8. Authenticator Duo also leads on update cadence (every 2 days vs monthly). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Authenticator Duo sells 2 in-app purchases, starting at $6.99 per 7 days and Authenticator sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Authenticator Duo holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 14 and 6 respectively.

Authenticator Duo ships an update every 2 days, Authenticator monthly. The most recent releases landed on June 1, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Authenticator Duo | Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (14 ratings)](https://appshunter.io/ios/app/authenticator-duo-two-factor/id6504300892/reviews)** | [3.8 (6 ratings)](https://appshunter.io/ios/app/authenticator-two-factor-app/id6683305035/reviews) |
| Number of ratings | **14** | 6 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Monthly |
| Monetization | Subscription | Subscription |
| Size | 20 MB | 17 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Quentin Powell](https://appshunter.io/developer/1751779133) | [Mats Vink](https://appshunter.io/developer/1747327646) |

## What reviewers say

### Authenticator Duo

[App page](https://appshunter.io/ios/app/authenticator-duo-two-factor/id6504300892)

Secure your online accounts with this app that generates and stores two-factor authentication codes. It offers end-to-end encryption, Face ID/Touch ID access, and encrypted iCloud backups for easy restoration across devices. Operate securely offline and import existing tokens.

**Highlights:** Generate and store 2FA/MFA tokens, Scan QR codes or manually input codes, End-to-end encryption for all codes, Face ID & Touch ID access, Encrypted iCloud backups, Offline operation, Import existing tokens

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly subscription with trial | $6.99 | per 7 days |
| Weekly subscription | $6.99 | per 7 days |


### Authenticator

[App page](https://appshunter.io/ios/app/authenticator-two-factor-app/id6683305035)

This app generates time-based one-time passwords (OTP) to enhance the security of your online accounts. It offers quick setup via QR code scanning and works offline once configured. Data is encrypted and can be backed up to iCloud for seamless device synchronization.

**Highlights:** Quick setup with QR code scanning, Regularly updated OTPs, Offline functionality, iCloud backup and encryption, Cross-device synchronization, Universal compatibility with authentication practices

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $6.99 | per 7 days |
| Monthly Premium | $19.99 | per month |
| Annual Premium | $49.99 | per year |


## Frequently asked questions

### Is Authenticator Duo free?

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

### Is Authenticator free?

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

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

Authenticator Duo is rated higher. Authenticator Duo averages 5.0 out of 5 from 14 ratings, while Authenticator averages 3.8 from 6 ratings.

### Do Authenticator Duo or Authenticator have ads?

Neither Authenticator Duo nor Authenticator shows ads.

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

Authenticator Duo ships an update every 2 days, and Authenticator monthly. Most recently, Authenticator Duo was updated on June 1, 2026 and Authenticator on September 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.*