# Roth Touchline⁺ vs DUKA Smart App

The clearest difference is iOS requirement: DUKA Smart App at 13.0 against Roth Touchline⁺'s 15.6. 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.

Roth Touchline⁺ ships an update every 4 months, DUKA Smart App every 3 months. The most recent releases landed on September 23, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Roth Touchline⁺ | DUKA Smart App |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 4 MB | 145 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Roth North Europe A/S](https://appshunter.io/developer/498448809) | [Vink Plast ApS](https://appshunter.io/developer/1354423126) |

## What reviewers say

### Roth Touchline⁺

[App page](https://appshunter.io/ios/app/roth-touchline/id1069806205)

Control your floor heating system remotely via Wi-Fi or the internet. Monitor temperatures, adjust settings, and manage multiple controllers across different locations from a single app. Supports quick login and easy setup for multiple users.

**Highlights:** Remote temperature control, Adjust set points, Change system modes, Manage multiple controllers, Quick login, Multi-user setup

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

**In-app purchases:** none


### DUKA Smart App

[App page](https://appshunter.io/ios/app/duka-smart-app/id1354423127)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Roth Touchline⁺ free?

Roth Touchline⁺ is free to download, with no in-app purchases.

### Is DUKA Smart App free?

DUKA Smart App is free to download, with no in-app purchases.

### Do Roth Touchline⁺ or DUKA Smart App have ads?

Neither Roth Touchline⁺ nor DUKA Smart App shows ads.

### Which is updated more often, Roth Touchline⁺ or DUKA Smart App?

Roth Touchline⁺ ships an update every 4 months, and DUKA Smart App every 3 months. Most recently, Roth Touchline⁺ was updated on September 23, 2026 and DUKA Smart App on September 24, 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.*