# Чёрная кость vs A4 VR Park

The clearest difference is review sentiment: Чёрная кость at 23% against A4 VR Park's 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.

Чёрная кость ships an update every 2 months, A4 VR Park every 3 months. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Чёрная кость | A4 VR Park |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (3 ratings)](https://appshunter.io/ios/app/id6450663270/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | **23.1% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Size | 49 MB | 31 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ekaterina Kurbatova](https://appshunter.io/developer/1450861162) | [RETSEPT, OOO](https://appshunter.io/developer/1641922938) |

## What reviewers say

### Чёрная кость

[App page](https://appshunter.io/ios/app/id6450663270)

Book appointments at a men's barbershop chain offering affordable haircuts, beard trims, and shaves. Enjoy a relaxing atmosphere with amenities like PS4 gaming and a boxing bag.

**Highlights:** Online appointment booking, Select preferred barbers, Choose convenient time slots, Haircuts, Beard trimming, Shaving services

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### A4 VR Park

[App page](https://appshunter.io/ios/app/a4-vr-park/id6740007778)

This app enhances your visit to a large-scale VR park by allowing you to purchase game packages, access the park with a QR code, and manage your game balance. You can also earn cashback and stay updated on new attractions and promotions.

**Highlights:** Purchase game packages, Individual QR code for park entry, Top up game balance, Receive cashback, Stay updated on attractions and promotions

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Чёрная кость free?

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

### Is A4 VR Park free?

A4 VR Park is free to download, with no in-app purchases.

### Do Чёрная кость or A4 VR Park have ads?

Neither Чёрная кость nor A4 VR Park shows ads.

### Which is updated more often, Чёрная кость or A4 VR Park?

Чёрная кость ships an update every 2 months, and A4 VR Park every 3 months. Most recently, Чёрная кость was updated on October 24, 2026 and A4 VR Park on October 7, 2026.

---

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