# Sauermann Combustion vs DVFFrance

The clearest difference is update cadence: DVFFrance at every 2 weeks against Sauermann Combustion's every 2 months. Sauermann Combustion's advantage is iOS requirement (14.0 vs 18.0). 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.

Sauermann Combustion ships an update every 2 months, DVFFrance every 2 weeks. The most recent releases landed on October 22, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Sauermann Combustion | DVFFrance |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 25 MB | 23 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SAUERMANN INDUSTRIE](https://appshunter.io/developer/1169513729) | [Rodolphe Vandaele](https://appshunter.io/developer/1884012478) |

## What reviewers say

### Sauermann Combustion

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

**Features:** macOS Compatibility

**In-app purchases:** none


### DVFFrance

[App page](https://appshunter.io/ios/app/dvffrance/id6813079672)

**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 DVFFrance free?

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

### Do Sauermann Combustion or DVFFrance have ads?

Both Sauermann Combustion and DVFFrance show ads.

### Which is updated more often, Sauermann Combustion or DVFFrance?

Sauermann Combustion ships an update every 2 months, and DVFFrance every 2 weeks. Most recently, Sauermann Combustion was updated on October 22, 2026 and DVFFrance on October 15, 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.*