# Onsite Management App (OMA) vs Thermann Control

The clearest difference is update cadence: Onsite Management App (OMA) at fortnightly against Thermann Control's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Onsite Management App (OMA) ships an update fortnightly, Thermann Control every 2 months. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Onsite Management App (OMA) | Thermann Control |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 21.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | — | Free |
| Size | 39 MB | 88 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Appfactory](https://appshunter.io/developer/352872511) | [Thermowatt SpA](https://appshunter.io/developer/1619740671) |

## What reviewers say

### Onsite Management App (OMA)

[App page](https://appshunter.io/ios/app/onsite-management-app-oma/id964693477)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Onsite Management App (OMA) free?

Onsite Management App (OMA) is free to download, with no in-app purchases.

### Is Thermann Control free?

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

### Do Onsite Management App (OMA) or Thermann Control have ads?

Neither Onsite Management App (OMA) nor Thermann Control shows ads.

### Which is updated more often, Onsite Management App (OMA) or Thermann Control?

Onsite Management App (OMA) ships an update fortnightly, and Thermann Control every 2 months. Most recently, Onsite Management App (OMA) was updated on November 1, 2026 and Thermann Control on October 30, 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.*