# 2FA Authenticator (2FAS) vs Authenticator App ²

The clearest difference is in-app purchases: 2FA Authenticator (2FAS) at none against Authenticator App ²'s 5. 2FA Authenticator (2FAS) also leads on ratings volume (35K vs 8) and rating (4.7 vs 4.5). Authenticator App ²'s advantage is iOS requirement (15.6 vs 18.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Authenticator App ² sells 5 in-app purchases, starting at $6.99 per 7 days. 2FA Authenticator (2FAS) asks for nothing beyond the download.

2FA Authenticator (2FAS) holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: 2FA Authenticator (2FAS) has 35K ratings behind it against 8, so its average is the more settled of the two.

2FA Authenticator (2FAS) ships an update monthly, Authenticator App ² every 2 weeks. The most recent releases landed on September 26, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | 2FA Authenticator (2FAS) | Authenticator App ² |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (35K ratings)](https://appshunter.io/ios/app/2fa-authenticator-2fas/id1217793794/reviews)** | [4.5 (8 ratings)](https://appshunter.io/ios/app/authenticator-app/id6758083667/reviews) |
| Number of ratings | **35K** | 8 |
| Positive reviews | 77.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 80 MB | 48 MB |
| Requires iOS | 18.6 | **15.6** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Two Factor Authentication Service Inc.](https://appshunter.io/developer/1217793793) | [MTWOM LIMITED](https://appshunter.io/developer/1870794503) |

## What reviewers say

### 2FA Authenticator (2FAS)

[App page](https://appshunter.io/ios/app/2fa-authenticator-2fas/id1217793794)

Securely log in to your online accounts with two-factor authentication. This app protects your personal data and passwords from cyber threats with a simple, private, and open-source solution. It offers easy token restoration, app protection, and offline functionality.

**Highlights:** Two-factor authentication, Token backup and restore, App protection with passcode/biometrics, Open-source and transparent, Offline functionality, Cross-device sync, One-tap authentication with browser extensions

**Features:** Apple Watch app

**In-app purchases:** none

**What reviewers like**

- 🚀 Efficient and fast
- 🔒 Secure and private
- 👍 Simple and intuitive UI
- 💡 Customizable icons and folders
- 🔒 iCloud backup and sync

**What reviewers complain about**

- 🐛 Occasional bugs and crashes
- 🔒 Lack of password/PIN protection
- 🕰 No Apple Watch app
- 🐛 Issues with push notifications
- 🕰 Missing desktop/web app

**Reported bugs**

- Tokens disappearing after device changes
- Push notification failures
- Incompatibility with older devices

**Requested features**

- Alphanumeric passcode option
- Custom icon uploads
- Apple Watch app
- Desktop/web app
- Improved support and communication


### Authenticator App ²

[App page](https://appshunter.io/ios/app/authenticator-app/id6758083667)

Secure your online accounts with this user-friendly two-factor authentication solution. Generate verification codes, manage multiple accounts, and store passwords securely. Enjoy a completely ad-free experience designed for speed and simplicity.

**Highlights:** Face ID Smart Lock, Quick Account Search, Flexible Account Management, Offline One-Time Passwords (OTP), Basic Password Manager, 100% Ad-Free Interface

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator App Premium | $6.99 | per 7 days |
| Premium Weekly Trial | $9.99 | per 7 days |
| Authenticator App Premium | $39.99 | per year |
| Authenticator App Premium | $39.99 | per year |
| Premium Yearly Trial | $49.99 | per year |


## Frequently asked questions

### Is 2FA Authenticator (2FAS) free?

2FA Authenticator (2FAS) is free to download, with no in-app purchases.

### Is Authenticator App ² free?

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

### Which has better reviews, 2FA Authenticator (2FAS) or Authenticator App ²?

2FA Authenticator (2FAS) is rated higher. 2FA Authenticator (2FAS) averages 4.7 out of 5 from 35K ratings, while Authenticator App ² averages 4.5 from 8 ratings.

### Do 2FA Authenticator (2FAS) or Authenticator App ² have ads?

Neither 2FA Authenticator (2FAS) nor Authenticator App ² shows ads.

### Which is updated more often, 2FA Authenticator (2FAS) or Authenticator App ²?

2FA Authenticator (2FAS) ships an update monthly, and Authenticator App ² every 2 weeks. Most recently, 2FA Authenticator (2FAS) was updated on September 26, 2026 and Authenticator App ² on September 13, 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.*