# airTool vs Thermokon USEapp

The clearest difference is iOS requirement: Thermokon USEapp at 13.0 against airTool's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

airTool ships an update every 4 months, Thermokon USEapp every 3 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | airTool | Thermokon USEapp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Size | 17 MB | 27 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [maennchen1.de <Roger Rehnelt>](https://appshunter.io/developer/460800416) | [Thermokon Sensortechnik GmbH](https://appshunter.io/developer/1252644429) |

## What reviewers say

### airTool

[App page](https://appshunter.io/ios/app/airtool/id463173545)

**Features:** macOS Compatibility

**In-app purchases:** none


### Thermokon USEapp

[App page](https://appshunter.io/ios/app/thermokon-useapp/id1252644430)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is airTool free?

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

### Is Thermokon USEapp free?

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

### Do airTool or Thermokon USEapp have ads?

Neither airTool nor Thermokon USEapp shows ads.

### Which is updated more often, airTool or Thermokon USEapp?

airTool ships an update every 4 months, and Thermokon USEapp every 3 months. Most recently, airTool was updated on October 26, 2026 and Thermokon USEapp on October 24, 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.*