# SmartLink Control vs ProjektApp

The clearest difference is iOS requirement: SmartLink Control at 9.0 against ProjektApp's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SmartLink Control ships an update every 3 months, ProjektApp every 2 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | SmartLink Control | ProjektApp |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 19 MB | 143 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Holger Boelts](https://appshunter.io/developer/381063175) | [projekt software gmbh](https://appshunter.io/developer/1090948707) |

## What reviewers say

### SmartLink Control

[App page](https://appshunter.io/ios/app/smartlink-control/id381063172)

This application provides mobile visualization for operating and displaying functions within a networked building automation environment. It connects to various common building systems and offers comfort functions like scene storage and presence simulation. It also supports media technology control via LAN, IR, or RS232.

**Highlights:** Control building automation systems, Visualize system functions, Connects to KNX, LON, Crestron, and more, Scene storage and presence simulation, Media technology control (LAN, IR, RS232), Sonos basic function control via UPnP

**Features:** macOS Compatibility

**In-app purchases:** none


### ProjektApp

[App page](https://appshunter.io/ios/app/projektapp/id1090948708)

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

**In-app purchases:** none


## Frequently asked questions

### Is SmartLink Control free?

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

### Is ProjektApp free?

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

### Do SmartLink Control or ProjektApp have ads?

Neither SmartLink Control nor ProjektApp shows ads.

### Which is updated more often, SmartLink Control or ProjektApp?

SmartLink Control ships an update every 3 months, and ProjektApp every 2 months. Most recently, SmartLink Control was updated on November 1, 2026 and ProjektApp on November 1, 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.*