# AIRExpander Pro

> Turbo expander app: precise input, full dry-air properties, thermo tools.

Canonical page: [https://chrome-stats.com/d/com.myengineering.airexpander.pro](https://chrome-stats.com/d/com.myengineering.airexpander.pro)

## Overview

- **ID:** `com.myengineering.airexpander.pro`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Christian Peter Kaiser
- **Category:** TOOLS
- **Version:** 1.0
- **Last updated:** 2026-08-11
- **First published:** 2026-08-11
- **Publisher country:** DE
- **Size:** 44 MB
- **Data as of:** 2026-09-14
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.myengineering.airexpander.pro)
- **Website:** [https://myengineering.tools/](https://myengineering.tools/)
- **Privacy policy:** [https://myengineering.tools/privacy.html#](https://myengineering.tools/privacy.html#)

## Description

AIRExpander Pro is the paid version of AIRExpander — dry standard air expansion for turbo expanders, with extended tools for precise engineering work.<br><br>PRO FEATURES (rolling out)<br>• Precise numeric input (not only sliders)<br>• Full state properties: enthalpy, entropy, specific volume at inlet and exhaust<br>• Same robust dry-air thermodynamics as free AIRExpander<br>• Calculate power, mass flow or isentropic efficiency<br>• Copy / share results (planned)<br>• Light and dark themes, German and English UI<br><br>HOW IT WORKS<br>• Set inlet pressure, inlet temperature and exhaust pressure<br>• Choose what to solve for (power, mass flow or efficiency)<br>• Review exhaust temperature, flows and enthalpy drops<br><br>UNITS<br>• Pressure: bar absolute · Temperature: °C · Mass flow: kg/s · Power: kW · Efficiency: %<br><br>Also available free: “AIRExpander” (slider-only exploration).<br><br>IMPORTANT<br>Provided in good faith without warranty of correctness or completeness. Always verify critical calculations.

## Rankings

- #3,150,956 — Overall

## Permissions and access

### Permissions

- `com.android.vending.CHECK_LICENSE`
- `com.myengineering.airexpander.pro.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.myengineering.airexpander.pro)