# Stop Calling vs Otro

The clearest difference is review sentiment: Stop Calling at 38% against Otro's 0%. Stop Calling also leads on update cadence (every 6 days vs every 3 months) and rating (4.7 vs 4.3). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Stop Calling sells 2 in-app purchases, starting at $0.99 per month and Otro sells 6 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Stop Calling holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 3 and 6 respectively. Written reviews point the same way: 38% of Stop Calling's written reviews are positive against 0% of Otro's.

Stop Calling ships an update every 6 days, Otro every 3 months. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Stop Calling | Otro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/stop-calling/id1223417298/reviews)** | [4.3 (6 ratings)](https://appshunter.io/ios/app/otro-second-phone-number/id6789877177/reviews) |
| Number of ratings | 3 | **6** |
| Positive reviews | **38.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 13 MB | 49 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Miroslav Baudys](https://appshunter.io/developer/1065339489) | [Can Tasar](https://appshunter.io/developer/6787737495) |

## What reviewers say

### Stop Calling

[App page](https://appshunter.io/ios/app/stop-calling/id1223417298)

Identify unknown callers and protect yourself from fraudulent or annoying calls. See descriptions of incoming calls, such as "Financial Services" or "Telemarketing," directly on your screen. The database of suspicious numbers is constantly updated.

**Highlights:** Caller identification, Spam call blocking, Real-time call descriptions, Updated database of suspicious numbers, Protection from fraudulent calls

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a coffee every month | $0.99 | per month |
| Buy me a coffee | $1.99 | one-time |


### 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 |


## Frequently asked questions

### Is Stop Calling free?

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

### Is Otro free?

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

### Which has better reviews, Stop Calling or Otro?

Stop Calling is rated higher. Stop Calling averages 4.7 out of 5 from 3 ratings, while Otro averages 4.3 from 6 ratings.

### Do Stop Calling or Otro have ads?

Neither Stop Calling nor Otro shows ads.

### Which is updated more often, Stop Calling or Otro?

Stop Calling ships an update every 6 days, and Otro every 3 months. Most recently, Stop Calling was updated on November 1, 2026 and Otro on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*