# PetrusGO vs KupBilecik

The clearest difference is update cadence: KupBilecik at fortnightly against PetrusGO's every 26 months. PetrusGO's advantage is iOS requirement (12.0 vs 15.6). 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.

PetrusGO ships an update every 26 months, KupBilecik fortnightly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | PetrusGO | KupBilecik |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Fortnightly** |
| Size | 115 MB | 49 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Petrus Sp z o o](https://appshunter.io/developer/1497147280) | [SZTOLDO PL SP Z O O SPOLKA KOMANDYTOWA](https://appshunter.io/developer/1807537048) |

## What reviewers say

### PetrusGO

[App page](https://appshunter.io/ios/app/petrusgo/id1497147281)

**Features:** macOS Compatibility

**In-app purchases:** none


### KupBilecik

[App page](https://appshunter.io/ios/app/kupbilecik/id6744409028)

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is PetrusGO free?

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

### Is KupBilecik free?

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

### Do PetrusGO or KupBilecik have ads?

Neither PetrusGO nor KupBilecik shows ads.

### Which is updated more often, PetrusGO or KupBilecik?

PetrusGO ships an update every 26 months, and KupBilecik fortnightly. Most recently, PetrusGO was updated on November 3, 2026 and KupBilecik on October 30, 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.*