# BÜİS vs İBB E

The clearest difference is update cadence: İBB E at every 11 days against BÜİS's every 6 weeks. BÜİS's advantage is iOS requirement (15.0 vs 18.6). On price, ads, 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.

BÜİS ships an update every 6 weeks, İBB E every 11 days. The most recent releases landed on September 28, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | BÜİS | İBB E |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/buis/id1616588275/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 11 days** |
| Monetization | Free | — |
| Size | 61 MB | 100 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Gelir Idaresi Baskanligi](https://appshunter.io/developer/620908059) | [Istanbul Büyükşehir Belediye Başkanlığı](https://appshunter.io/developer/472272208) |

## What reviewers say

### BÜİS

[App page](https://appshunter.io/ios/app/buis/id1616588275)

Verify the authenticity of excise tax stamps on tobacco and alcoholic beverages in Turkey. This app helps consumers check security features digitally and with the naked eye to ensure product legitimacy.

**Highlights:** Verify excise tax stamps, Check security features, Digital verification, Naked eye inspection guide, Product information lookup

**Features:** Vision Pro support

**In-app purchases:** none


### İBB E

[App page](https://appshunter.io/ios/app/ibb-e-plan/id6478491759)

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

**In-app purchases:** none


## Frequently asked questions

### Is BÜİS free?

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

### Is İBB E free?

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

### Do BÜİS or İBB E have ads?

Neither BÜİS nor İBB E shows ads.

### Which is updated more often, BÜİS or İBB E?

BÜİS ships an update every 6 weeks, and İBB E every 11 days. Most recently, BÜİS was updated on September 28, 2026 and İBB E on September 14, 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.*