# Authenticator App vs O Link

The clearest difference is in-app purchases: O Link at none against Authenticator App's 13. O Link also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Authenticator App sells 13 in-app purchases, starting at $0.99 per 7 days. O Link asks for nothing beyond the download.

## The numbers

| Metric | Authenticator App | O Link |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/authenticator-app-2fa-auth/id6737840309/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 39.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | — |
| Size | 37 MB | 49 MB |
| Requires iOS | 13.4 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [UNIVERSE DIJITAL HIZMETLER LIMITED SIRKETI](https://appshunter.io/developer/1778239049) | [Rafael Machado](https://appshunter.io/developer/1400606916) |

## What reviewers say

### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-2fa-auth/id6737840309)

This app provides a robust layer of security for your online accounts through two-factor authentication (2FA). It generates unique, time-based codes to protect sensitive information and prevent unauthorized access to your digital profiles.

**Highlights:** Secure 2FA codes generation, Multi-platform compatibility, Offline code access, Time-based authentication codes, Account protection

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

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $0.99 | per 7 days |
| Weekly | $0.99 | per 7 days |
| Monthly | $2.99 | per month |
| Weekly PreD | $6.99 | per 7 days |
| Weekly Plus | $7.99 | per 7 days |
| Weekly ProD | $8.99 | per 7 days |
| Weekly Pro+D | $9.99 | per 7 days |
| Monthly Plus | $14.99 | per month |
| Monthly ProD | $19.99 | per month |
| Monthly Pro+ | $24.99 | per month |
| Yearly Plus | $39.99 | per year |
| Yearly Pro | $49.99 | per year |
| Yearly Pro+ | $59.99 | per year |


### O Link

[App page](https://appshunter.io/ios/app/o-link/id6749868129)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Authenticator App free?

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

### Is O Link free?

O Link is free to download, with no in-app purchases.

### Do Authenticator App or O Link have ads?

Authenticator App shows ads; O Link does not.

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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.*