# Eurom Heating vs Onntrack Pro

The clearest difference is update cadence: Onntrack Pro at every 3 days against Eurom Heating's every 2 months. Eurom Heating's advantage is iOS requirement (9.0 vs 12.0). 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.

Eurom Heating ships an update every 2 months, Onntrack Pro every 3 days. The most recent releases landed on October 26, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Eurom Heating | Onntrack Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Size | 9 MB | 113 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Euromac BV Euromac BV](https://appshunter.io/developer/1253271176) | [H-gen Beheer B.V.](https://appshunter.io/developer/1706266493) |

## What reviewers say

### Eurom Heating

[App page](https://appshunter.io/ios/app/eurom-heating/id905157853)

**Features:** macOS Compatibility

**In-app purchases:** none


### Onntrack Pro

[App page](https://appshunter.io/ios/app/onntrack-pro/id6464569532)

**In-app purchases:** none


## Frequently asked questions

### Is Eurom Heating free?

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

### Is Onntrack Pro free?

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

### Do Eurom Heating or Onntrack Pro have ads?

Neither Eurom Heating nor Onntrack Pro shows ads.

### Which is updated more often, Eurom Heating or Onntrack Pro?

Eurom Heating ships an update every 2 months, and Onntrack Pro every 3 days. Most recently, Eurom Heating was updated on October 26, 2026 and Onntrack Pro on October 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*