# BÜİS vs CHPnet Seçim

The clearest difference is update cadence: CHPnet Seçim at every 9 days against BÜİS's every 6 weeks. CHPnet Seçim also leads on iOS requirement (13.0 vs 15.0). 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, CHPnet Seçim every 9 days. The most recent releases landed on September 28, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | BÜİS | CHPnet Seçim |
| --- | --- | --- |
| 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 9 days** |
| Monetization | Free | — |
| Size | 61 MB | 18 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Gelir Idaresi Baskanligi](https://appshunter.io/developer/620908059) | [CHP Bitem](https://appshunter.io/developer/1144878879) |

## 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


### CHPnet Seçim

[App page](https://appshunter.io/ios/app/chpnet-secim/id1664176786)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BÜİS free?

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

### Is CHPnet Seçim free?

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

### Do BÜİS or CHPnet Seçim have ads?

Neither BÜİS nor CHPnet Seçim shows ads.

### Which is updated more often, BÜİS or CHPnet Seçim?

BÜİS ships an update every 6 weeks, and CHPnet Seçim every 9 days. Most recently, BÜİS was updated on September 28, 2026 and CHPnet Seçim on October 4, 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.*