# Mobil İSKİ vs GİB

The clearest difference is rating: GİB at 4.6 against Mobil İSKİ's 1.3. GİB also leads on ratings volume (472 vs 7) and review sentiment (24% vs 4%). Mobil İSKİ's advantage is iOS requirement (11.0 vs 16.4). 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.

GİB holds the better App Store score, 4.6 against 1.3. That said, the two scores are not equally well evidenced: GİB has 472 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 4% of Mobil İSKİ's written reviews are positive against 24% of GİB's.

Mobil İSKİ ships an update every 6 weeks, GİB every 3 weeks. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Mobil İSKİ | GİB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.3 (7 ratings)](https://appshunter.io/ios/app/mobil-iski/id598588701/reviews) | **[4.6 (472 ratings)](https://appshunter.io/ios/app/gib/id1351972062/reviews)** |
| Number of ratings | 7 | **472** |
| Positive reviews | 3.6% of reviews | **24.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 38 MB | 32 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Istanbul Su ve Kanalizasyon Idaresi](https://appshunter.io/developer/1387738665) | [Gelir İdaresi Başkanlığı](https://appshunter.io/developer/620908059) |

## What reviewers say

### Mobil İSKİ

[App page](https://appshunter.io/ios/app/mobil-iski/id598588701)

This app allows users to view dam water levels, report service disruptions, and manage subscriptions. It also provides contact information for İSKİ branches, payment centers, and customer service.

**Highlights:** View dam water levels, Report service disruptions, Manage subscriptions, Find branch and payment center locations, Contact customer service, Pay bills securely

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### GİB

[App page](https://appshunter.io/ios/app/gib/id1351972062)

Manage numerous tax-related transactions conveniently from your phone or tablet. This app allows you to view and pay all your debts, access personal tax information, and manage electronic notifications. You can also request official documents and even report tax violations.

**Highlights:** View and pay all tax debts, Access personal tax records, Manage e-Tebligat (electronic notifications), Request tax status documents, Create petitions for refunds/offsets, Report tax violations, Call Tax Communication Center from smartwatch

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Mobil İSKİ free?

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

### Is GİB free?

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

### Which has better reviews, Mobil İSKİ or GİB?

GİB is rated higher. Mobil İSKİ averages 1.3 out of 5 from 7 ratings, while GİB averages 4.6 from 472 ratings.

### Do Mobil İSKİ or GİB have ads?

Neither Mobil İSKİ nor GİB shows ads.

### Which is updated more often, Mobil İSKİ or GİB?

Mobil İSKİ ships an update every 6 weeks, and GİB every 3 weeks. Most recently, Mobil İSKİ was updated on November 6, 2026 and GİB on November 2, 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.*