# Sơn Số 1 vs Authenticator App

The clearest difference is in-app purchases: Sơn Số 1 at none against Authenticator App's 8. Sơn Số 1 also leads on iOS requirement (11.0 vs 15.1). Authenticator App's advantage is device support. On price there is nothing between them.

Both are free to download. Authenticator App sells 8 in-app purchases, starting at $0.99 per 7 days. Sơn Số 1 asks for nothing beyond the download.

## The numbers

| Metric | Sơn Số 1 | Authenticator App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (91 ratings)](https://appshunter.io/ios/app/authenticator-app-2fa-mfa/id6754013259/reviews)** |
| Number of ratings | — | **91** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | — | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 47 MB | 58 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ePapersmart Team](https://appshunter.io/developer/527597628) | [SAN MOBILE](https://appshunter.io/developer/1678140821) |

## What reviewers say

### Sơn Số 1

[App page](https://appshunter.io/ios/app/son-so-1/id1486085245)

**In-app purchases:** none


### 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 Sơn Số 1 free?

Sơn Số 1 is free to download, with no in-app purchases.

### Is Authenticator App free?

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

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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.*