# Sauermann Combustion vs Atosa

The clearest difference is ads: Atosa at none against Sauermann Combustion's shown. On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Sauermann Combustion | Atosa |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Size | 25 MB | 44 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [SAUERMANN INDUSTRIE](https://appshunter.io/developer/1169513729) | [Yindu Kitchen EquipmentCo., Ltd](https://appshunter.io/developer/1714755655) |

## What reviewers say

### Sauermann Combustion

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Atosa

[App page](https://appshunter.io/ios/app/atosa/id6756638659)

**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 Atosa free?

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

### Do Sauermann Combustion or Atosa have ads?

Sauermann Combustion shows ads; Atosa does not.

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

Sauermann Combustion ships an update every 2 months, and Atosa every 2 months. Most recently, Sauermann Combustion was updated on October 27, 2026 and Atosa on October 28, 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.*