# Otro vs Authenticators App

The clearest difference is in-app purchases: Authenticators App at none against Otro's 6. Authenticators App also leads on device support (4 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Otro sells 6 in-app purchases, starting at $7.99 per 7 days. Authenticators App asks for nothing beyond the download.

## The numbers

| Metric | Otro | Authenticators App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/otro-second-phone-number/id6789877177/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Monetization | Free with in-app purchases | — |
| Size | 49 MB | 29 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 17+ |
| Developer | [Can Tasar](https://appshunter.io/developer/6787737495) | [Murat Cetin](https://appshunter.io/developer/1806868353) |

## What reviewers say

### Otro

[App page](https://appshunter.io/ios/app/otro-second-phone-number/id6789877177)

Get a private, real second phone number for calls and texts on your iPhone. Keep your personal number private while using a dedicated line for work, sales, or online accounts. Enjoy unlimited domestic calling and texting with flexible credit options for international use.

**Highlights:** Real second phone number, Private calls and texting, No new SIM or device needed, Unlimited domestic calls/texts, International calling credits, Secure account with Apple Sign-In

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $7.99 | per 7 days |
| Monthly | $14.99 | per month |
| Yearly | $79.99 | per year |
| 100 Credits | $4.99 | one-time |
| 300 Credits | $12.99 | one-time |
| 1000 Credits | $34.99 | one-time |


### Authenticators App

[App page](https://appshunter.io/ios/app/authenticators-app/id6809236317)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Otro free?

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

### Is Authenticators App free?

Authenticators App is free to download, with no in-app purchases.

### Do Otro or Authenticators App have ads?

Neither Otro nor Authenticators App 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.*