# Pervak vs Khmelnytskyi Gas

The clearest difference is update cadence: Khmelnytskyi Gas at every 2 months against Pervak's every 6 months. Khmelnytskyi Gas 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.

Pervak ships an update every 6 months, Khmelnytskyi Gas every 2 months. The most recent releases landed on October 7, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Pervak | Khmelnytskyi Gas |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Size | 22 MB | 67 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Konstantin Barbin](https://appshunter.io/developer/1679629968) | [GLOVART 3D SOCIEDAD LIMITADA.](https://appshunter.io/developer/1678351966) |

## What reviewers say

### Pervak

[App page](https://appshunter.io/ios/app/pervak/id6446907490)

**In-app purchases:** none


### Khmelnytskyi Gas

[App page](https://appshunter.io/ios/app/khmelnytskyi-gas/id6447474684)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pervak free?

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

### Is Khmelnytskyi Gas free?

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

### Do Pervak or Khmelnytskyi Gas have ads?

Neither Pervak nor Khmelnytskyi Gas shows ads.

### Which is updated more often, Pervak or Khmelnytskyi Gas?

Pervak ships an update every 6 months, and Khmelnytskyi Gas every 2 months. Most recently, Pervak was updated on October 7, 2026 and Khmelnytskyi Gas on September 28, 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.*