# IDController vs VisuControl II for KNX

The clearest difference is update cadence: VisuControl II for KNX at every 2 months against IDController's every 11 months. VisuControl II for KNX also leads on iOS requirement (14.0 vs 16.4). 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.

IDController ships an update every 11 months, VisuControl II for KNX every 2 months. The most recent releases landed on September 18, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | IDController | VisuControl II for KNX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 months** |
| Size | 38 MB | 29 MB |
| Requires iOS | 16.4 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [onna](https://appshunter.io/developer/1535382205) | [MDT technologies GmbH](https://appshunter.io/developer/834975869) |

## What reviewers say

### IDController

[App page](https://appshunter.io/ios/app/idcontroller/id1505987712)

**Features:** macOS Compatibility

**In-app purchases:** none


### VisuControl II for KNX

[App page](https://appshunter.io/ios/app/visucontrol-ii-for-knx/id6445896760)

**In-app purchases:** none


## Frequently asked questions

### Is IDController free?

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

### Is VisuControl II for KNX free?

VisuControl II for KNX is free to download, with no in-app purchases.

### Do IDController or VisuControl II for KNX have ads?

Neither IDController nor VisuControl II for KNX shows ads.

### Which is updated more often, IDController or VisuControl II for KNX?

IDController ships an update every 11 months, and VisuControl II for KNX every 2 months. Most recently, IDController was updated on September 18, 2026 and VisuControl II for KNX on September 7, 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.*