# İstanbul Senin vs Devix

The clearest difference is rating: İstanbul Senin at 4.2 against Devix's 3.0. İstanbul Senin also leads on in-app purchases (none vs 2) and ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Devix sells 2 in-app purchases, starting at $4.99 per 7 days. İstanbul Senin asks for nothing beyond the download.

İstanbul Senin holds the better App Store score, 4.2 against 3.0. That said, the two scores are not equally well evidenced: İstanbul Senin has 109 ratings behind it against 2, so its average is the more settled of the two.

İstanbul Senin ships an update every 4 weeks, Devix every 2 weeks. The most recent releases landed on September 23, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | İstanbul Senin | Devix |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (109 ratings)](https://appshunter.io/ios/app/istanbul-senin/id1534342254/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/devix/id6762515657/reviews) |
| Number of ratings | **109** | 2 |
| Positive reviews | 17.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 weeks | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 117 MB | 12 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Istanbul Büyükşehir Belediye Başkanlığı](https://appshunter.io/developer/472272208) | [sevval zobu](https://appshunter.io/developer/1896006833) |

## What reviewers say

### İstanbul Senin

[App page](https://appshunter.io/ios/app/istanbul-senin/id1534342254)

This app provides Istanbul residents with a single platform to access a wide range of city services, including transportation, bill payments, and cultural event information. It simplifies daily transactions and offers free internet access and event tickets.

**Highlights:** Access to nearly 100 mini apps, Digital identity for secure access, QR code payments for transport and bills, Electronic wallet for cards, Live support for city inquiries, Free and unlimited public Wi-Fi, Free event tickets and entrances

**In-app purchases:** none

**What reviewers like**

- 💡 Comprehensive super app consolidating Istanbul services
- 🎨 Cultural and artistic initiative for Istanbul
- 💳 Istanbul Card top-up functionality
- 🌟 Ambitious vision for city integration

**What reviewers complain about**

- 🐛 Frequent app crashes and freezing
- ⚠️ Requires internet to access free WiFi service
- 🌍 Only works with Turkish SIM cards and Turkish ID
- 🔐 Privacy concerns about data collection
- ⏱️ Extremely slow performance and heavy app

**Reported bugs**

- App crashes on launch, especially on iPhone 6s and older models
- Blank white screen after login
- QR codes not generating in education and culture apps
- Registration SMS not arriving
- Registration form not progressing despite correct input

**Requested features**

- Multi-language support (English, German, Russian)
- Support for foreign phone numbers and non-Turkish IDs
- Offline WiFi access without requiring internet connection
- Improved password recovery mechanism
- Better UI/UX design with simpler navigation


### Devix

[App page](https://appshunter.io/ios/app/devix/id6762515657)

Access device records and technical summaries from a central location. Quickly find device details, add frequently used items to a personal list, and manage your devices with a clean, fast interface. Offers advanced features through a paid subscription.

**Highlights:** View device records and technical summaries, Fast device lookup with customer number, Add records to a personal list, Access brand, model, and OS information, View technical details (battery, RAM, storage), See last location, login, and device status

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Monthly Premium | $12.99 | per month |


## Frequently asked questions

### Is İstanbul Senin free?

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

### Is Devix free?

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

### Which has better reviews, İstanbul Senin or Devix?

İstanbul Senin is rated higher. İstanbul Senin averages 4.2 out of 5 from 109 ratings, while Devix averages 3.0 from 2 ratings.

### Do İstanbul Senin or Devix have ads?

Devix shows ads; İstanbul Senin does not.

### Which is updated more often, İstanbul Senin or Devix?

İstanbul Senin ships an update every 4 weeks, and Devix every 2 weeks. Most recently, İstanbul Senin was updated on September 23, 2026 and Devix on September 3, 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.*