# Filkassen vs sTEM controller

The clearest difference is update cadence: sTEM controller at every 5 months against Filkassen's every 26 months. 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.

Filkassen ships an update every 26 months, sTEM controller every 5 months. The most recent releases landed on October 5, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Filkassen | sTEM controller |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 5 months** |
| Size | 9 MB | 31 MB |
| Requires iOS | 14.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Statens IT](https://appshunter.io/developer/1207842524) | [Temcompany ApS](https://appshunter.io/developer/1700820640) |

## What reviewers say

### Filkassen

[App page](https://appshunter.io/ios/app/filkassen/id1207842525)

**Features:** macOS Compatibility

**In-app purchases:** none


### sTEM controller

[App page](https://appshunter.io/ios/app/stem-controller/id6457210066)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Filkassen free?

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

### Is sTEM controller free?

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

### Do Filkassen or sTEM controller have ads?

Neither Filkassen nor sTEM controller shows ads.

### Which is updated more often, Filkassen or sTEM controller?

Filkassen ships an update every 26 months, and sTEM controller every 5 months. Most recently, Filkassen was updated on October 5, 2026 and sTEM controller on October 12, 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.*