# PrimoDoor vs Khmelnytskyi Gas

The clearest difference is iOS requirement: PrimoDoor at 9.0 against Khmelnytskyi Gas's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PrimoDoor ships an update every 4 months, Khmelnytskyi Gas every 2 months. The most recent releases landed on September 24, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | PrimoDoor | Khmelnytskyi Gas |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 268 MB | 67 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SYDOR, PP](https://appshunter.io/developer/1469373882) | [GLOVART 3D SOCIEDAD LIMITADA.](https://appshunter.io/developer/1678351966) |

## What reviewers say

### PrimoDoor

[App page](https://appshunter.io/ios/app/primodoor/id1469373883)

This application facilitates communication with PrimoNet's entrance door service. It allows users to interact with their door system remotely.

**Highlights:** Communicate with PrimoNet entrance door service, Remote door interaction, Utilities for door management

**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 PrimoDoor free?

PrimoDoor 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 PrimoDoor or Khmelnytskyi Gas have ads?

Neither PrimoDoor nor Khmelnytskyi Gas shows ads.

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

PrimoDoor ships an update every 4 months, and Khmelnytskyi Gas every 2 months. Most recently, PrimoDoor was updated on September 24, 2026 and Khmelnytskyi Gas on September 10, 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.*