# Thermann Control vs GM Hub

Thermann Control and GM Hub are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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.

## The numbers

| Metric | Thermann Control | GM Hub |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 21.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 88 MB | 20 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thermowatt SpA](https://appshunter.io/developer/1619740671) | [GM Instruments Pty Ltd](https://appshunter.io/developer/1886636165) |

## What reviewers say

### Thermann Control

[App page](https://appshunter.io/ios/app/thermann-control/id6480348958)

Remotely manage your water heater's temperature and schedule from your smartphone or tablet. Optimize heating to save energy and receive instant notifications for any malfunctions, ensuring hot water when you need it.

**Highlights:** Remote temperature control, Scheduling on/off times, Operating status updates, Energy saving optimization, Malfunction notifications, Remote on/off switching

**In-app purchases:** none


### GM Hub

[App page](https://appshunter.io/ios/app/gm-hub/id6760888549)

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

**In-app purchases:** none


## Frequently asked questions

### Is Thermann Control free?

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

### Is GM Hub free?

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

### Do Thermann Control or GM Hub have ads?

Neither Thermann Control nor GM Hub shows ads.

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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.*