# SmartLink Control vs BECKHOFF Diagnostics

The clearest difference is iOS requirement: SmartLink Control at 9.0 against BECKHOFF Diagnostics'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, BECKHOFF Diagnostics every 2 months. The most recent releases landed on October 7, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | SmartLink Control | BECKHOFF Diagnostics |
| --- | --- | --- |
| 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 | 84 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) | [Beckhoff Automation GmbH](https://appshunter.io/developer/859883375) |

## 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


### BECKHOFF Diagnostics

[App page](https://appshunter.io/ios/app/beckhoff-diagnostics/id1639306362)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SmartLink Control free?

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

### Is BECKHOFF Diagnostics free?

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

### Do SmartLink Control or BECKHOFF Diagnostics have ads?

Neither SmartLink Control nor BECKHOFF Diagnostics shows ads.

### Which is updated more often, SmartLink Control or BECKHOFF Diagnostics?

SmartLink Control ships an update every 3 months, and BECKHOFF Diagnostics every 2 months. Most recently, SmartLink Control was updated on October 7, 2026 and BECKHOFF Diagnostics on September 30, 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.*