# LinkControl vs caQtDM

The clearest difference is update cadence: caQtDM at every 5 months against LinkControl's every 18 months. caQtDM also leads on iOS requirement (16.0 vs 18.6). 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.

LinkControl ships an update every 18 months, caQtDM every 5 months. The most recent releases landed on September 24, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | LinkControl | caQtDM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/linkcontrol/id781651785/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 5 months** |
| Monetization | Free | — |
| Size | 1 MB | 68 MB |
| Requires iOS | 18.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [River Rock Logic](https://appshunter.io/developer/340225113) | [Helge Brands](https://appshunter.io/developer/922076961) |

## What reviewers say

### LinkControl

[App page](https://appshunter.io/ios/app/linkcontrol/id781651785)

This utility app acts as an interface for controlling physical devices like lights and motors. It downloads button definitions from a server and sends button press identifiers back to the server, which then determines the action.

**Highlights:** Control lights, dimmers, and motors, Button definition downloads, Button press identification, Server-based device control, Customizable button layouts

**Features:** macOS Compatibility

**In-app purchases:** none


### caQtDM

[App page](https://appshunter.io/ios/app/caqtdm/id922076962)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LinkControl free?

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

### Is caQtDM free?

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

### Do LinkControl or caQtDM have ads?

Neither LinkControl nor caQtDM shows ads.

### Which is updated more often, LinkControl or caQtDM?

LinkControl ships an update every 18 months, and caQtDM every 5 months. Most recently, LinkControl was updated on September 24, 2026 and caQtDM on September 26, 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.*