# 2FA Authenticator (2FAS) vs Authenticator App

The clearest difference is review sentiment: 2FA Authenticator (2FAS) at 78% against Authenticator App's 25%. 2FA Authenticator (2FAS) also leads on in-app purchases (none vs 8) and ads (none vs shown). Authenticator App's advantage is update cadence (weekly vs monthly) and iOS requirement (15.1 vs 18.6). On price and device support there is nothing between them.

Both are free to download. Authenticator App sells 8 in-app purchases, starting at $0.99 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 86, so its average is the more settled of the two. Written reviews point the same way: 78% of 2FA Authenticator (2FAS)'s written reviews are positive against 25% of Authenticator App's.

2FA Authenticator (2FAS) ships an update monthly, Authenticator App weekly. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | 2FA Authenticator (2FAS) | Authenticator App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (35K ratings)](https://appshunter.io/ios/app/2fa-authenticator-2fas/id1217793794/reviews)** | [4.5 (86 ratings)](https://appshunter.io/ios/app/authenticator-app-2fa-mfa/id6754013259/reviews) |
| Number of ratings | **35K** | 86 |
| Positive reviews | **77.6% of reviews** | 25.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 80 MB | 58 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Two Factor Authentication Service Inc.](https://appshunter.io/developer/1217793793) | [SAN MOBILE](https://appshunter.io/developer/1678140821) |

## 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

[App page](https://appshunter.io/ios/app/authenticator-app-2fa-mfa/id6754013259)

This app provides secure and effortless two-factor authentication (2FA) and multi-factor authentication (MFA) by generating time-based one-time passwords (TOTP) for online accounts. It offers encrypted backup, cloud sync, and QR code integration for easy setup and cross-device access, serving as a reliable alternative to other authenticator apps.

**Highlights:** Secure 2FA/MFA code generation, Encrypted backup and cloud sync, QR code integration for easy setup, Cross-device compatibility, Fast and consistent performance

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator 2FA Weekly Basic | $0.99 | per 7 days |
| Autenticador 2FA Weekly Pre | $7.99 | per 7 days |
| Authentication 2FA Weekly Plus | $8.99 | per 7 days |
| FreeOTP Authenticator Weekly Pro | $9.99 | per 7 days |
| MFA Authenticator Monthly Basic | $29.99 | per month |
| Yearly Pre Subscription | $39.99 | per year |
| Yearly Plus Subscription | $49.99 | per year |
| Yearly Pro Subscription | $59.99 | 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 free?

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

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

2FA Authenticator (2FAS) is rated higher. 2FA Authenticator (2FAS) averages 4.7 out of 5 from 35K ratings, while Authenticator App averages 4.5 from 86 ratings.

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

Authenticator App shows ads; 2FA Authenticator (2FAS) does not.

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

2FA Authenticator (2FAS) ships an update monthly, and Authenticator App weekly. Most recently, 2FA Authenticator (2FAS) was updated on September 24, 2026 and Authenticator App on September 22, 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.*