# Supervision vs Kulhydramus

The clearest difference is in-app purchases: Supervision at none against Kulhydramus's 1. Supervision also leads on iOS requirement (14.0 vs 17.6). Kulhydramus's advantage is update cadence (every 10 days vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. Kulhydramus sells 1 one-off in-app purchase. Supervision asks for nothing beyond the download.

Supervision ships an update every 5 months, Kulhydramus every 10 days. The most recent releases landed on September 28, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Supervision | Kulhydramus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 10 days** |
| Size | 49 MB | 2 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Praktiserende Lægers Organisation](https://appshunter.io/developer/1445003294) | [Thomas Mejborn](https://appshunter.io/developer/1881921141) |

## What reviewers say

### Supervision

[App page](https://appshunter.io/ios/app/supervision/id1536925085)

**Features:** Vision Pro support

**In-app purchases:** none


### Kulhydramus

[App page](https://appshunter.io/ios/app/kulhydramus/id6759957702)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kulhydramus Pro | $4.99 | one-time |


## Frequently asked questions

### Is Supervision free?

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

### Is Kulhydramus free?

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

### Do Supervision or Kulhydramus have ads?

Neither Supervision nor Kulhydramus shows ads.

### Which is updated more often, Supervision or Kulhydramus?

Supervision ships an update every 5 months, and Kulhydramus every 10 days. Most recently, Supervision was updated on September 28, 2026 and Kulhydramus on October 28, 2026.

---

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