# Min Hjernerystelse vs Sej og Stærk

The clearest difference is in-app purchases: Sej og Stærk at none against Min Hjernerystelse's 2. Sej og Stærk also leads on update cadence (weekly vs monthly). Min Hjernerystelse's advantage is iOS requirement (12.0 vs 15.5). On price, ads and device support there is nothing between them.

Both are free to download. Min Hjernerystelse sells 2 in-app purchases, starting at $9.49 per month. Sej og Stærk asks for nothing beyond the download.

Min Hjernerystelse ships an update monthly, Sej og Stærk weekly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Min Hjernerystelse | Sej og Stærk |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Size | 24 MB | 66 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Min Hjernerystelse ApS](https://appshunter.io/developer/1586347012) | [Booking Board](https://appshunter.io/developer/1698899191) |

## What reviewers say

### Min Hjernerystelse

[App page](https://appshunter.io/ios/app/min-hjernerystelse/id1586347010)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Min Hjernerystelse abonnement | $9.49 | per month |
| Min Hjernerystelse abonnement | $29.99 | per year |


### Sej og Stærk

[App page](https://appshunter.io/ios/app/sej-og-strk/id6452399987)

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

**In-app purchases:** none


## Frequently asked questions

### Is Min Hjernerystelse free?

Min Hjernerystelse is free to download, with in-app purchases available.

### Is Sej og Stærk free?

Sej og Stærk is free to download, with no in-app purchases.

### Do Min Hjernerystelse or Sej og Stærk have ads?

Neither Min Hjernerystelse nor Sej og Stærk shows ads.

### Which is updated more often, Min Hjernerystelse or Sej og Stærk?

Min Hjernerystelse ships an update monthly, and Sej og Stærk weekly. Most recently, Min Hjernerystelse was updated on October 25, 2026 and Sej og Stærk on October 24, 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.*