# SKF Shaft alignment vs SteamTrap

The clearest difference is update cadence: SKF Shaft alignment at every 3 months against SteamTrap's every 51 months. SteamTrap's advantage is iOS requirement (12.0 vs 16.0). On price, ads, 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.

SKF Shaft alignment ships an update every 3 months, SteamTrap every 51 months. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | SKF Shaft alignment | SteamTrap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (10 ratings)](https://appshunter.io/ios/app/skf-shaft-alignment/id990162436/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 51 months |
| Monetization | Free | — |
| Size | 72 MB | 17 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SKF](https://appshunter.io/developer/472922971) | [UE Systems, Inc.](https://appshunter.io/developer/1063826911) |

## What reviewers say

### 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


### SteamTrap

[App page](https://appshunter.io/ios/app/steamtrap/id1346191991)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SKF Shaft alignment free?

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

### Is SteamTrap free?

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

### Do SKF Shaft alignment or SteamTrap have ads?

Neither SKF Shaft alignment nor SteamTrap shows ads.

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

SKF Shaft alignment ships an update every 3 months, and SteamTrap every 51 months. Most recently, SKF Shaft alignment was updated on October 29, 2026 and SteamTrap on October 26, 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.*