# Whistle S.O.S vs EDIS PRO

The clearest difference is review sentiment: Whistle S.O.S at 67% against EDIS PRO's 52%. Whistle S.O.S also leads on iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Whistle S.O.S | EDIS PRO |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **66.7% of reviews** | 51.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Monetization | Free | Free |
| Size | 25 MB | 55 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Osman Koc](https://appshunter.io/developer/1729993108) | [EDIS AFET VE DEPREM SISTEMLERI SANAYI VE DIS TICARET ANONIM SIRKETI](https://appshunter.io/developer/1750583394) |

## 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


### EDIS PRO

[App page](https://appshunter.io/ios/app/edis-pro/id6740334831)

Receive rapid earthquake early warnings directly on your device. This system uses advanced AI and seismic detection to alert you within milliseconds of an event, helping to minimize damage and promote safety.

**Highlights:** Rapid disaster detection, AI-powered early warnings, Real-time seismic alerts, Location-based notifications, Earthquake risk assessment button

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

**In-app purchases:** none


## Frequently asked questions

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

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

### Is EDIS PRO free?

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

### Do Whistle S.O.S or EDIS PRO have ads?

Neither Whistle S.O.S nor EDIS PRO 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.*