# Güvendesin vs Düdüğüm

The clearest difference is iOS requirement: Güvendesin at 11.0 against Düdüğüm's 15.6. On price, review sentiment, update cadence and ads there is nothing between them.

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

Güvendesin ships an update every 2 months, Düdüğüm every 6 weeks. The most recent releases landed on October 17, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Güvendesin | Düdüğüm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (3 ratings)](https://appshunter.io/ios/app/dudugum/id1538329721/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | **90.2% of reviews** | 86.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 11 MB | 25 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Atalay Asa](https://appshunter.io/developer/1491715803) | [HDS OTOMASYON GUVENLIK VE YAZILIM TEKNOLOJILERI SANAYI TICARET LIMITED SIRKETI](https://appshunter.io/developer/1523706871) |

## What reviewers say

### Güvendesin

[App page](https://appshunter.io/ios/app/guvendesin/id1500150706)

Instantly notify loved ones of your safety or distress during emergencies like natural disasters. Features include a flashing light, loud alarm, and a one-tap emergency services button.

**Highlights:** Emergency status alerts, Contact sharing, Flashlight for visibility, Loud alarm sound, One-tap emergency services call

**Features:** macOS Compatibility

**In-app purchases:** none


### Düdüğüm

[App page](https://appshunter.io/ios/app/dudugum/id1538329721)

This app generates a whistle sound to signal your location in emergencies or when trapped. It can also send an SMS to pre-selected contacts to inform them of your safety status. The application is free and ad-free, developed for humanitarian purposes.

**Highlights:** Generates whistle sound, Sends location SMS, Pre-set contact alerts, Ad-free experience, Humanitarian purpose

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Güvendesin free?

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

### Is Düdüğüm free?

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

### Do Güvendesin or Düdüğüm have ads?

Neither Güvendesin nor Düdüğüm shows ads.

### Which is updated more often, Güvendesin or Düdüğüm?

Güvendesin ships an update every 2 months, and Düdüğüm every 6 weeks. Most recently, Güvendesin was updated on October 17, 2026 and Düdüğüm on October 23, 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.*