# VBus®Touch FK vs Klink

The clearest difference is price: Klink at Free against VBus®Touch FK's $4.99. Klink also leads on update cadence (every 20 months vs every 48 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Klink is free to download; VBus®Touch FK costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

VBus®Touch FK ships an update every 48 months, Klink every 20 months. The most recent releases landed on August 24, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | VBus®Touch FK | Klink |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 48 months | **Every 20 months** |
| Monetization | Paid | — |
| Size | 8 MB | 342 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [RESOL GmbH](https://appshunter.io/developer/369420321) | [Klink B.V.](https://appshunter.io/developer/1634769481) |

## What reviewers say

### VBus®Touch FK

[App page](https://appshunter.io/ios/app/vbustouch-fk/id1001429231)

Transform your mobile device into a remote display for your boiler controller. Monitor boiler temperature, storage temperatures, and loading status with animated graphics and color-coded visualizations. Receive alerts for potential technical malfunctions.

**Highlights:** Remote boiler controller display, Animated graphic visualizations, Temperature and loading status monitoring, Color-coded temperature layers, Sensor monitoring and malfunction alerts

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

**In-app purchases:** none


### Klink

[App page](https://appshunter.io/ios/app/klink-smartklink/id1634769479)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VBus®Touch FK free?

VBus®Touch FK costs $4.99, with no in-app purchases.

### Is Klink free?

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

### Do VBus®Touch FK or Klink have ads?

Neither VBus®Touch FK nor Klink shows ads.

### Which is updated more often, VBus®Touch FK or Klink?

VBus®Touch FK ships an update every 48 months, and Klink every 20 months. Most recently, VBus®Touch FK was updated on August 24, 2026 and Klink on September 8, 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.*