# PetrusGO vs Kraina ABC

The clearest difference is update cadence: Kraina ABC at every 3 months against PetrusGO's every 26 months. 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, Kraina ABC every 3 months. The most recent releases landed on September 8, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | PetrusGO | Kraina ABC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 3 months** |
| Size | 115 MB | 43 MB |
| Requires iOS | **12.0** | 13.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Petrus Sp z o o](https://appshunter.io/developer/1497147280) | [TVP S.A.](https://appshunter.io/developer/509527169) |

## What reviewers say

### PetrusGO

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Kraina ABC

[App page](https://appshunter.io/ios/app/kraina-abc/id1618917144)

**In-app purchases:** none


## Frequently asked questions

### Is PetrusGO free?

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

### Is Kraina ABC free?

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

### Do PetrusGO or Kraina ABC have ads?

Neither PetrusGO nor Kraina ABC shows ads.

### Which is updated more often, PetrusGO or Kraina ABC?

PetrusGO ships an update every 26 months, and Kraina ABC every 3 months. Most recently, PetrusGO was updated on September 8, 2026 and Kraina ABC on September 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*