# Roth Touchline® SL vs IoT Aqualarm

Roth Touchline® SL and IoT Aqualarm are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Roth Touchline® SL ships an update every 8 months, IoT Aqualarm every 10 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Roth Touchline® SL | IoT Aqualarm |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 months** | Every 10 months |
| Monetization | Free | — |
| Size | 0 MB | 202 MB |
| Requires iOS | **12.4** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Roth North Europe A/S](https://appshunter.io/developer/498448809) | [Sentient Technology Co. Limited](https://appshunter.io/developer/1598329454) |

## What reviewers say

### Roth Touchline® SL

[App page](https://appshunter.io/ios/app/roth-touchline-sl/id1584962104)

Control your Roth home heating system directly from your iOS device. Manage your heating remotely for optimal comfort and efficiency.

**Highlights:** Remote heating system control, iOS device integration, Home comfort management, Heating efficiency optimization

**Features:** macOS Compatibility

**In-app purchases:** none


### IoT Aqualarm

[App page](https://appshunter.io/ios/app/iot-aqualarm/id1615567987)

**In-app purchases:** none


## Frequently asked questions

### Is Roth Touchline® SL free?

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

### Is IoT Aqualarm free?

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

### Do Roth Touchline® SL or IoT Aqualarm have ads?

Neither Roth Touchline® SL nor IoT Aqualarm shows ads.

### Which is updated more often, Roth Touchline® SL or IoT Aqualarm?

Roth Touchline® SL ships an update every 8 months, and IoT Aqualarm every 10 months. Most recently, Roth Touchline® SL was updated on November 3, 2026 and IoT Aqualarm on November 3, 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.*