# Avrasya Tüneli vs Düdüğüm

The clearest difference is review sentiment: Düdüğüm at 86% against Avrasya Tüneli's 12%. Düdüğüm also leads on ads (none vs shown) and monetization model (free vs ad-supported). On price, update cadence, in-app purchases and device support there is nothing between them.

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

Avrasya Tüneli ships an update every 2 months, Düdüğüm every 6 weeks. Both last shipped on October 7, 2026.

## The numbers

| Metric | Avrasya Tüneli | Düdüğüm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (2 ratings)](https://appshunter.io/ios/app/dudugum/id1538329721/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 12.0% of reviews | **86.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 72 MB | 25 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Avrasya Tuneli](https://appshunter.io/developer/1455842001) | [HDS OTOMASYON GUVENLIK VE YAZILIM TEKNOLOJILERI SANAYI TICARET LIMITED SIRKETI](https://appshunter.io/developer/1523706871) |

## What reviewers say

### Avrasya Tüneli

[App page](https://appshunter.io/ios/app/avrasya-tuneli/id1455842002)

This official mobile application simplifies travel through the Eurasia Tunnel. It offers automatic payment, membership for violation notifications, and easy inquiry and payment of toll violations. Stay updated on announcements, fees, route information, and safety guidelines.

**Highlights:** Automatic payment setup, Membership for violation alerts, Pass violation inquiry, Toll payment for violations, Tunnel announcements and fees, Route and safety information, Loyalty program (ZIP)

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

**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 Avrasya Tüneli free?

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

### Is Düdüğüm free?

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

### Do Avrasya Tüneli or Düdüğüm have ads?

Avrasya Tüneli shows ads; Düdüğüm does not.

### Which is updated more often, Avrasya Tüneli or Düdüğüm?

Avrasya Tüneli ships an update every 2 months, and Düdüğüm every 6 weeks. Most recently, Avrasya Tüneli was updated on October 7, 2026 and Düdüğüm on October 7, 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.*