# Zfone vs Otro

The clearest difference is in-app purchases: Zfone at none against Otro's 6. Otro's advantage is update cadence (every 2 months vs every 10 months). On price, ads, device support 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. Zfone asks for nothing beyond the download.

Zfone ships an update every 10 months, Otro every 2 months. The most recent releases landed on November 12, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Zfone | Otro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (6 ratings)](https://appshunter.io/ios/app/otro-second-phone-number/id6789877177/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 116 MB | 63 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Telco Depot Inc](https://appshunter.io/developer/1798939381) | [Can Tasar](https://appshunter.io/developer/6787737495) |

## What reviewers say

### Zfone

[App page](https://appshunter.io/ios/app/zfone/id6742549416)

**In-app purchases:** none


### Otro

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

Get a real second phone number for private calls and texts on your iPhone without a new SIM or device. Keep your personal number private for work, sales, or online accounts. Unlimited domestic calls and texts are included.

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

**Features:** macOS Compatibility, Vision Pro support, iPhone Duo 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 |


## Frequently asked questions

### Is Zfone free?

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

### Is Otro free?

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

### Do Zfone or Otro have ads?

Neither Zfone nor Otro shows ads.

### Which is updated more often, Zfone or Otro?

Zfone ships an update every 10 months, and Otro every 2 months. Most recently, Zfone was updated on November 12, 2026 and Otro on November 10, 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.*