# Sofrocay vs HÄK

The clearest difference is update cadence: HÄK at fortnightly against Sofrocay's every 6 weeks. Sofrocay's advantage is iOS requirement (13.0 vs 26.0). 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.

Sofrocay ships an update every 6 weeks, HÄK fortnightly. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Sofrocay | HÄK |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Size | 60 MB | 19 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Instituto Internacional de Sofrologia Caycediana SL](https://appshunter.io/developer/1676940424) | [Benoit Jolly](https://appshunter.io/developer/1261188680) |

## What reviewers say

### Sofrocay

[App page](https://appshunter.io/ios/app/sofrocay-sofrologia/id6446278118)

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

**In-app purchases:** none


### HÄK

[App page](https://appshunter.io/ios/app/hak-cold-breath-and-focus/id6778212403)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sofrocay free?

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

### Is HÄK free?

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

### Do Sofrocay or HÄK have ads?

Neither Sofrocay nor HÄK shows ads.

### Which is updated more often, Sofrocay or HÄK?

Sofrocay ships an update every 6 weeks, and HÄK fortnightly. Most recently, Sofrocay was updated on November 3, 2026 and HÄK on October 25, 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.*