# 2 factor authentication vs Authenticator

The clearest difference is in-app purchases: 2 factor authentication at none against Authenticator's 4. 2 factor authentication also leads on device support (3 vs 1) and iOS requirement (14.0 vs 16.0). On price and ads there is nothing between them.

Both are free to download. Authenticator sells 4 in-app purchases, starting at $8.99 per 7 days. 2 factor authentication asks for nothing beyond the download.

## The numbers

| Metric | 2 factor authentication | Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/2-factor-authentication/id6505051115/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Monetization | Free | — |
| Size | 12 MB | 24 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Appnap Technologies Limited](https://appshunter.io/developer/1553618191) | [Nia Bailey](https://appshunter.io/developer/1858915494) |

## What reviewers say

### 2 factor authentication

[App page](https://appshunter.io/ios/app/2-factor-authentication/id6505051115)

Enhance your online security with a robust two-step verification process. This app generates time-based one-time passwords for account protection and offers features like encrypted backups and private browsing.

**Highlights:** Two-step verification, Time-based one-time passwords (TOTP), Multi-account management, Encrypted backup and sync, Private browsing, Email recovery

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

**In-app purchases:** none


### Authenticator

[App page](https://appshunter.io/ios/app/authenticator-safe-and-security/id6756181835)

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator: 2fa, Rsa, Msa | $8.99 | per 7 days |
| Authenticator: 2fa, Rsa, Msa | $8.99 | per 7 days |
| Authenticator: 2fa, Rsa, Msa | $14.99 | per month |
| Authenticator: 2fa, Rsa, Msa | $15.99 | per month |


## Frequently asked questions

### Is 2 factor authentication free?

2 factor authentication is free to download, with no in-app purchases.

### Is Authenticator free?

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

### Do 2 factor authentication or Authenticator have ads?

Neither 2 factor authentication nor Authenticator shows ads.

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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.*