# Room Control vs dxLink21

The clearest difference is update cadence: Room Control at every 5 weeks against dxLink21's every 3 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.

Room Control ships an update every 5 weeks, dxLink21 every 3 months. The most recent releases landed on October 26, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Room Control | dxLink21 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Size | 42 MB | 134 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fr. Sauter AG](https://appshunter.io/developer/586916485) | [Belparts NV](https://appshunter.io/developer/1470365988) |

## What reviewers say

### Room Control

[App page](https://appshunter.io/ios/app/room-control/id1442188182)

**Features:** macOS Compatibility

**In-app purchases:** none


### dxLink21

[App page](https://appshunter.io/ios/app/dxlink21/id1470365989)

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

**In-app purchases:** none


## Frequently asked questions

### Is Room Control free?

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

### Is dxLink21 free?

dxLink21 is free to download, with no in-app purchases.

### Do Room Control or dxLink21 have ads?

Neither Room Control nor dxLink21 shows ads.

### Which is updated more often, Room Control or dxLink21?

Room Control ships an update every 5 weeks, and dxLink21 every 3 months. Most recently, Room Control was updated on October 26, 2026 and dxLink21 on October 20, 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.*