# Sauermann Combustion vs HHP2 App

The clearest difference is ads: HHP2 App at none against Sauermann Combustion's shown. HHP2 App also leads on iOS requirement (11.0 vs 14.0). On price, 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.

## The numbers

| Metric | Sauermann Combustion | HHP2 App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Size | 25 MB | 39 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SAUERMANN INDUSTRIE](https://appshunter.io/developer/1169513729) | [Straightpoint](https://appshunter.io/developer/1232597225) |

## What reviewers say

### Sauermann Combustion

[App page](https://appshunter.io/ios/app/sauermann-combustion/id1520008258)

**Features:** macOS Compatibility

**In-app purchases:** none


### HHP2 App

[App page](https://appshunter.io/ios/app/hhp2-app/id1588059062)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sauermann Combustion free?

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

### Is HHP2 App free?

HHP2 App is free to download, with no in-app purchases.

### Do Sauermann Combustion or HHP2 App have ads?

Sauermann Combustion shows ads; HHP2 App does not.

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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.*