# Simp Mobile vs Otro

The clearest difference is review sentiment: Simp Mobile at 100% against Otro's 0%. Simp Mobile also leads on in-app purchases (none vs 6) and update cadence (every 2 weeks vs every 2 months). 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. Simp Mobile asks for nothing beyond the download.

Simp Mobile ships an update every 2 weeks, Otro every 2 months. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Simp Mobile | 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 | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 150 MB | 63 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Simp Industries Ltd](https://appshunter.io/developer/1810475427) | [Can Tasar](https://appshunter.io/developer/6787737495) |

## What reviewers say

### Simp Mobile

[App page](https://appshunter.io/ios/app/simp-mobile/id6745029004)

This app uses AI to make phone calls on your behalf, handling tasks like booking appointments and chasing refunds. You can choose your AI assistant, listen in live, or take over calls. It integrates with popular AI models and provides call summaries.

**Highlights:** AI-powered call making, Task delegation (booking, refunds), Live call listening and takeover, AI model integration, Call summaries and transcripts, Dedicated local number

**Features:** Apple Wallet

**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 Simp Mobile free?

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

### Is Otro free?

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

### Do Simp Mobile or Otro have ads?

Neither Simp Mobile nor Otro shows ads.

### Which is updated more often, Simp Mobile or Otro?

Simp Mobile ships an update every 2 weeks, and Otro every 2 months. Most recently, Simp Mobile was updated on November 5, 2026 and Otro on November 6, 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.*