# Breatherliser vs Чёрная кость

The clearest difference is review sentiment: Чёрная кость at 23% against Breatherliser's 14%. Breatherliser's advantage is iOS requirement (8.0 vs 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.

Breatherliser ships an update every 4 months, Чёрная кость every 2 months. The most recent releases landed on July 3, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Breatherliser | Чёрная кость |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (2 ratings)](https://appshunter.io/ios/app/id6450663270/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 14.3% of reviews | **23.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 12 MB | 49 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Andrej Podlubnyj](https://appshunter.io/developer/583628251) | [Ekaterina Kurbatova](https://appshunter.io/developer/1450861162) |

## What reviewers say

### Breatherliser

[App page](https://appshunter.io/ios/app/breatherliser/id688242393)

This app is for entertainment purposes only and cannot accurately measure blood alcohol content. It allows users to input personal details and drink information to estimate when BAC might be acceptable for driving, and includes a prank alarm.

**Highlights:** BAC estimation for entertainment, Prank alarm clock, Personal parameter input (gender, weight, age), Drink input (amount, type), BAC calculation formulas (Widmark, Watson)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Breatherliser free?

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

### Is Чёрная кость free?

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

### Do Breatherliser or Чёрная кость have ads?

Neither Breatherliser nor Чёрная кость shows ads.

### Which is updated more often, Breatherliser or Чёрная кость?

Breatherliser ships an update every 4 months, and Чёрная кость every 2 months. Most recently, Breatherliser was updated on July 3, 2026 and Чёрная кость on September 21, 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.*