# MasterTherm Touch vs sonnenPro

The clearest difference is update cadence: sonnenPro at every 3 weeks against MasterTherm Touch's every 6 months. On price, review sentiment, 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.

MasterTherm Touch ships an update every 6 months, sonnenPro every 3 weeks. The most recent releases landed on October 14, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | MasterTherm Touch | sonnenPro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 15 MB | 46 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Neoware s.r.o.](https://appshunter.io/developer/622404276) | [sonnen GmbH](https://appshunter.io/developer/547979417) |

## What reviewers say

### MasterTherm Touch

[App page](https://appshunter.io/ios/app/mastertherm-touch/id1587593855)

Remotely monitor and control your MasterTherm heat pump from your iPhone or iPad. Adjust settings, manage heating and cooling circuits, and view operating data online. Includes weather forecast integration and scheduling capabilities.

**Highlights:** Remote heat pump status monitoring, Control operation mode and temperature, Setup weather compensation, On/Off switching, Monitor heating/cooling circuits, Day- and time-based schedules, Weather forecast integration

**Features:** macOS Compatibility

**In-app purchases:** none


### sonnenPro

[App page](https://appshunter.io/ios/app/sonnenpro/id6758942267)

This app intelligently manages your home's energy devices, including solar power, storage, heat pumps, and EV chargers. It optimizes electricity usage, production, and storage based on AI strategies for cost-effectiveness and self-sufficiency.

**Highlights:** Connects electricity devices, AI-driven energy optimization, Manages solar power plants, Integrates energy storage, Controls heat pumps, Links electric chargers, Maximizes self-sufficiency

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

**In-app purchases:** none


## Frequently asked questions

### Is MasterTherm Touch free?

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

### Is sonnenPro free?

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

### Do MasterTherm Touch or sonnenPro have ads?

Neither MasterTherm Touch nor sonnenPro shows ads.

### Which is updated more often, MasterTherm Touch or sonnenPro?

MasterTherm Touch ships an update every 6 months, and sonnenPro every 3 weeks. Most recently, MasterTherm Touch was updated on October 14, 2026 and sonnenPro on October 21, 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.*