# Steam Tools vs SKF Shaft alignment

The clearest difference is review sentiment: SKF Shaft alignment at 100% against Steam Tools's 32%. SKF Shaft alignment also leads on rating (3.7 vs 2.9) and update cadence (every 3 months vs every 27 months). Steam Tools's advantage is iOS requirement (8.0 vs 16.0). On price, ratings volume, 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.

SKF Shaft alignment holds the better App Store score, 3.7 against 2.9. Both are backed by a comparable volume of ratings — 8 and 10 respectively. Written reviews point the same way: 32% of Steam Tools's written reviews are positive against 100% of SKF Shaft alignment's.

Steam Tools ships an update every 27 months, SKF Shaft alignment every 3 months. The most recent releases landed on October 5, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Steam Tools | SKF Shaft alignment |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (8 ratings)](https://appshunter.io/ios/app/steam-tools/id378289552/reviews) | **[3.7 (10 ratings)](https://appshunter.io/ios/app/skf-shaft-alignment/id990162436/reviews)** |
| Number of ratings | 8 | **10** |
| Positive reviews | 31.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 27 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 6 MB | 72 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Spirax-Sarco Engineering plc](https://appshunter.io/developer/378289555) | [SKF](https://appshunter.io/developer/472922971) |

## What reviewers say

### Steam Tools

[App page](https://appshunter.io/ios/app/steam-tools/id378289552)

This application provides quick access to steam tables with thermodynamic data for water/steam and a tool to help size saturated steam pipelines. It allows users to input pressure or temperature to retrieve relevant data and offers output in various standardized units.

**Highlights:** Steam Tables for thermodynamic data, Saturated Steam Pipe Sizing tool, Input pressure or temperature, Output data in standardized units, Access to water/steam thermodynamic data

**Features:** macOS Compatibility

**In-app purchases:** none


### SKF Shaft alignment

[App page](https://appshunter.io/ios/app/skf-shaft-alignment/id990162436)

This utility app, when paired with specific hardware, enables precise and intuitive shaft alignment for rotating machinery. It offers a demonstration mode for experiencing the full process without the hardware and generates automatic, shareable reports.

**Highlights:** Intuitive shaft alignment with hardware, Flexible three-position measurement, Demonstration mode for full experience, Automatic, customizable alignment reports, Explanatory setup and measurement videos, 3D animations for guidance, Machine library with QR code scanner

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Steam Tools free?

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

### Is SKF Shaft alignment free?

SKF Shaft alignment is free to download, with no in-app purchases.

### Which has better reviews, Steam Tools or SKF Shaft alignment?

SKF Shaft alignment is rated higher. Steam Tools averages 2.9 out of 5 from 8 ratings, while SKF Shaft alignment averages 3.7 from 10 ratings.

### Do Steam Tools or SKF Shaft alignment have ads?

Neither Steam Tools nor SKF Shaft alignment shows ads.

### Which is updated more often, Steam Tools or SKF Shaft alignment?

Steam Tools ships an update every 27 months, and SKF Shaft alignment every 3 months. Most recently, Steam Tools was updated on October 5, 2026 and SKF Shaft alignment on October 8, 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.*