# Whistle S.O.S vs Karakutu

The clearest difference is in-app purchases: Whistle S.O.S at none against Karakutu's 1. Whistle S.O.S also leads on iOS requirement (12.0 vs 16.4). On price, ads and device support there is nothing between them.

Both are free to download. Karakutu sells 1 in-app purchase, starting at $3.99 per month. Whistle S.O.S asks for nothing beyond the download.

## The numbers

| Metric | Whistle S.O.S | Karakutu |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Monetization | Free | — |
| Size | 25 MB | 48 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Osman Koc](https://appshunter.io/developer/1729993108) | [Burak Olgun](https://appshunter.io/developer/6806871092) |

## What reviewers say

### Whistle S.O.S

[App page](https://appshunter.io/ios/app/whistle-sos/id6477729209)

This emergency alert app allows you to broadcast your voice with a single button press when trapped in a disaster. It serves as a modern alternative to a traditional whistle, helping you signal for help quickly.

**Highlights:** Emergency voice broadcasting, One-button activation, Disaster preparedness tool, Modern whistle alternative, Alerts surroundings for help

**Features:** macOS Compatibility

**In-app purchases:** none


### Karakutu

[App page](https://appshunter.io/ios/app/karakutu/id6806871090)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Karakutu Pro | $3.99 | per month |


## Frequently asked questions

### Is Whistle S.O.S free?

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

### Is Karakutu free?

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

### Do Whistle S.O.S or Karakutu have ads?

Neither Whistle S.O.S nor Karakutu 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.*