# Steam97

> Industrial steam and air property calculations based on 1997 formulation. (iPhone/iPad app by Bradley Long.)

- Source: https://appshunter.io/ios/app/steam97/id1052607339 (this page in markdown: same URL + `.md`)
- Developer: [Bradley Long](https://appshunter.io/developer/892121043)
- Category: Education, Utilities
- Price: $0.99
- Rating: 5.00/5 from 2 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 16.1 · 2 MB
- Languages: American English
- Released: 2015-11-03
- Data updated: 2026-06-24
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/steam97/id1052607339/reviews.md

## What is Steam97?

Steam Properties based on Industrial Formulation 1997.

The properties are based on the 2007 release of the IAPWS 1997 industrial Formulation. 

Air Properties   

Wet Bulb from Dry bulb and Relative Humidity
Relative Humidity from Dry Bulb and Wet Bulb Temperatures

## Key features

- Industrial steam properties
- 1997 formulation based
- Air properties calculation
- Wet bulb temperature calculation
- Relative humidity calculation

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/steam97/id1052607339/reviews.md

### 5/5 — Steam & Air Properties

*2018-08-01, version 1.0*

This is an awesome app for determining steam or air properties!  A must have for power generation engineers.

### 5/5 — Great App!

*2015-11-13, version 1.0*

This is a great app for engineers. This is the only app I have seen that has steam tables and air properties in one app. I highly recommend it.

## Frequently asked questions about Steam97

### What steam formulation does Steam97 use?

Steam97 uses the Industrial Formulation 1997 for steam properties, specifically based on the 2007 release of the IAPWS 1997 industrial Formulation.

### What air properties can Steam97 calculate?

Steam97 can calculate wet bulb temperature from dry bulb and relative humidity, and relative humidity from dry bulb and wet bulb temperatures.

### How much does Steam97 cost?

Steam97 is a paid app, available for $0.99.

### What devices is Steam97 available on?

Steam97 is available on iPhone and iPad devices.

### How often is Steam97 updated?

The latest version, 2.4, was released on May 5, 2023. The app was initially released on November 3, 2015.

### What is the age rating for Steam97?

Steam97 has an age rating of 4+, making it suitable for a wide range of users.

### Does Steam97 have ads?

No, Steam97 does not contain advertisements. It is a paid application without ads.

### What is the user feedback on Steam97?

Based on the available data, Steam97 has a perfect rating of 5.0 stars from 2 ratings, indicating positive user sentiment.

## Version history (last 3 releases)

### 2.4 — 2023-05-05

Updated for latest Operating System
Bug Fixes

### 2.03 — 2018-12-28

Compatibility Updates

### 1.0 — 2015-11-02

This update is signed with Apple’s latest signing certificate. No new features are included.

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## More apps by Bradley Long

- [LockedPasswords](https://appshunter.io/ios/app/lockedpasswords/id1197099988)

All apps by Bradley Long: https://appshunter.io/developer/892121043

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-24.*