# Authenticator Duo vs Two Factor Authenticator App

The clearest difference is review sentiment: Authenticator Duo at 100% against Two Factor Authenticator App's 33%. Authenticator Duo also leads on rating (5.0 vs 4.5) and ads (none vs shown). Two Factor Authenticator App's advantage is monetization model (free with in-app purchases vs subscription) and ratings volume (58 vs 14). On price, in-app purchases, device support and iOS requirement 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 Two Factor Authenticator App sells 17 in-app purchases, starting at $0.99 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 4.5. Both are backed by a comparable volume of ratings — 14 and 58 respectively. Written reviews point the same way: 100% of Authenticator Duo's written reviews are positive against 33% of Two Factor Authenticator App's.

Authenticator Duo ships an update every 2 days, Two Factor Authenticator App every 10 months. The most recent releases landed on June 1, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | Authenticator Duo | Two Factor Authenticator App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (14 ratings)](https://appshunter.io/ios/app/authenticator-duo-two-factor/id6504300892/reviews)** | [4.5 (58 ratings)](https://appshunter.io/ios/app/two-factor-authenticator-app/id6661033815/reviews) |
| Number of ratings | 14 | **58** |
| Positive reviews | **100.0% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 10 months |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 20 MB | 128 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Quentin Powell](https://appshunter.io/developer/1751779133) | [ZipoApps](https://appshunter.io/developer/1671444635) |

## 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 |


### Two Factor Authenticator App

[App page](https://appshunter.io/ios/app/two-factor-authenticator-app/id6661033815)

Generate and store secure two-factor authentication codes for enhanced online account protection. Easily set up tokens via QR code scanning and access codes instantly with widgets and FaceID. Enjoy offline code generation and private browsing.

**Highlights:** Secure 2FA code generation, QR code setup, Seamless device sync, Home Screen widget, FaceID integration, Offline code generation, Private browser

**Features:** macOS Compatibility

**In-app purchases (17)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access | $0.99 | per 7 days |
| Unlimited Access | $2.99 | per 7 days |
| Unlimited Access | $3.99 | per 7 days |
| Unlimited Access | $4.99 | per 7 days |
| Unlimited Access | $5.99 | per 7 days |
| Unlimited Access | $6.99 | per 7 days |
| Full Authenticator Access | $6.99 | per 7 days |
| Unlimited Access | $7.99 | per 7 days |
| Unlimited Access | $8.99 | per 7 days |
| Unlimited Access | $9.99 | per year |
| Unlimited Access | $19.99 | per year |
| Monthly Auth Premium | $19.99 | per month |
| Unlimited Access | $29.99 | per month |
| Unlimited Access | $39.99 | per year |
| Unlimited Access | $49.99 | per year |
| Annual Premium Access | $49.99 | per year |
| Premium lifetime access | $49.99 | one-time |


## Frequently asked questions

### Is Authenticator Duo free?

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

### Is Two Factor Authenticator App free?

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

### Which has better reviews, Authenticator Duo or Two Factor Authenticator App?

Authenticator Duo is rated higher. Authenticator Duo averages 5.0 out of 5 from 14 ratings, while Two Factor Authenticator App averages 4.5 from 58 ratings.

### Do Authenticator Duo or Two Factor Authenticator App have ads?

Two Factor Authenticator App shows ads; Authenticator Duo does not.

### Which is updated more often, Authenticator Duo or Two Factor Authenticator App?

Authenticator Duo ships an update every 2 days, and Two Factor Authenticator App every 10 months. Most recently, Authenticator Duo was updated on June 1, 2026 and Two Factor Authenticator App on September 4, 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.*