# Authenticator Duo vs Two Factor Authenticator & OTP

The clearest difference is rating: Authenticator Duo at 5.0 against Two Factor Authenticator & OTP's 4.5. Two Factor Authenticator & OTP's advantage is ratings volume (133 vs 14). On price, review sentiment, update cadence and ads 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 & OTP sells 2 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 4.5. That said, the two scores are not equally well evidenced: Two Factor Authenticator & OTP has 133 ratings behind it against 14, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Both ship on a similar rhythm, roughly every 2 days. The most recent releases landed on June 1, 2026 and August 26, 2026 respectively.

## The numbers

| Metric | Authenticator Duo | Two Factor Authenticator & OTP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (14 ratings)](https://appshunter.io/ios/app/authenticator-duo-two-factor/id6504300892/reviews)** | [4.5 (133 ratings)](https://appshunter.io/ios/app/two-factor-authenticator-and-otp/id6738425763/reviews) |
| Number of ratings | 14 | **133** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 days | Every 2 days |
| Monetization | Subscription | Subscription |
| Size | 20 MB | 26 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Quentin Powell](https://appshunter.io/developer/1751779133) | [HENRY FOSTER](https://appshunter.io/developer/1851206362) |

## 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 & OTP

[App page](https://appshunter.io/ios/app/two-factor-authenticator-and-otp/id6738425763)

Enhance your online security with robust two-factor and multi-factor authentication. This app generates secure one-time passwords and supports multiple protocols, with features like backup, restore, and encrypted data storage for peace of mind.

**Highlights:** Two-Factor Authentication (2FA), Multi-Factor Authentication (MFA), TOTP and HOTP Support, Backup & Restore, User-Friendly Design, Encrypted Data Storage

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Free Trial PRO Access | $6.99 | per 7 days |
| Weekly PRO Access | $6.99 | per 7 days |


## Frequently asked questions

### Is Authenticator Duo free?

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

### Is Two Factor Authenticator & OTP free?

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

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

Authenticator Duo is rated higher. Authenticator Duo averages 5.0 out of 5 from 14 ratings, while Two Factor Authenticator & OTP averages 4.5 from 133 ratings.

### Do Authenticator Duo or Two Factor Authenticator & OTP have ads?

Neither Authenticator Duo nor Two Factor Authenticator & OTP shows ads.

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

Authenticator Duo ships an update every 2 days, and Two Factor Authenticator & OTP every 2 days. Most recently, Authenticator Duo was updated on June 1, 2026 and Two Factor Authenticator & OTP on August 26, 2026.

---

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