# Min Hjernerystelse vs OptoSense

The clearest difference is price: Min Hjernerystelse at Free against OptoSense's $9.99. Min Hjernerystelse also leads on iOS requirement (12.0 vs 17.6). OptoSense's advantage is update cadence (every 5 days vs monthly) and chart position (#200 vs unranked). On ads, in-app purchases and device support there is nothing between them.

Min Hjernerystelse is free to download; OptoSense costs $9.99 up front. Min Hjernerystelse sells 2 in-app purchases, starting at $9.49 per month and OptoSense sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Min Hjernerystelse ships an update monthly, OptoSense every 5 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Min Hjernerystelse | OptoSense |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Best chart rank | — | **#200** |
| Size | 24 MB | 173 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Min Hjernerystelse ApS](https://appshunter.io/developer/1586347012) | [NeuroSense](https://appshunter.io/developer/1805839241) |

## 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 |


### OptoSense

[App page](https://appshunter.io/ios/app/optosense/id6744061471)

**Currently charting:** #200 Top Paid · Health & Fitness (US App Store)

**Features:** Family Sharing

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Animals and nature | $2.99 | one-time |
| Vehicles and machines | $2.99 | one-time |
| Faces, dino, animals and toys | $2.99 | one-time |
| Fantasy and mosters | $2.99 | one-time |
| Interactive feature for images | $5.99 | one-time |
| Next Level OPK | $6.99 | one-time |


## Frequently asked questions

### Is Min Hjernerystelse free?

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

### Is OptoSense free?

OptoSense costs $9.99, and also offers in-app purchases.

### Do Min Hjernerystelse or OptoSense have ads?

Neither Min Hjernerystelse nor OptoSense shows ads.

### Which is updated more often, Min Hjernerystelse or OptoSense?

Min Hjernerystelse ships an update monthly, and OptoSense every 5 days. Most recently, Min Hjernerystelse was updated on October 25, 2026 and OptoSense on October 28, 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.*