# PR electronics PPS vs SKF Shaft alignment

The clearest difference is rating: PR electronics PPS at 5.0 against SKF Shaft alignment's 3.7. On price, review sentiment, ratings volume and update cadence there is nothing between them.

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

PR electronics PPS holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 7 and 10 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

PR electronics PPS ships an update every 2 months, SKF Shaft alignment every 3 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | PR electronics PPS | SKF Shaft alignment |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/pr-electronics-pps/id654727116/reviews)** | [3.7 (10 ratings)](https://appshunter.io/ios/app/skf-shaft-alignment/id990162436/reviews) |
| Number of ratings | 7 | **10** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Size | 118 MB | 72 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PR electronics A/S](https://appshunter.io/developer/730705582) | [SKF](https://appshunter.io/developer/472922971) |

## What reviewers say

### PR electronics PPS

[App page](https://appshunter.io/ios/app/pr-electronics-pps/id654727116)

This app allows for smart control, monitoring, and programming of specific signal conditioning devices remotely via Bluetooth. It provides live data, detailed parameter views, and configuration management for technical staff and plant operators.

**Highlights:** Remote device monitoring, Remote device programming, Live data display, Configuration saving and sharing, Intuitive user interface, Data logging

**Features:** Vision Pro support

**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 PR electronics PPS free?

PR electronics PPS 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, PR electronics PPS or SKF Shaft alignment?

PR electronics PPS is rated higher. PR electronics PPS averages 5.0 out of 5 from 7 ratings, while SKF Shaft alignment averages 3.7 from 10 ratings.

### Do PR electronics PPS or SKF Shaft alignment have ads?

Neither PR electronics PPS nor SKF Shaft alignment shows ads.

### Which is updated more often, PR electronics PPS or SKF Shaft alignment?

PR electronics PPS ships an update every 2 months, and SKF Shaft alignment every 3 months. Most recently, PR electronics PPS was updated on November 1, 2026 and SKF Shaft alignment on November 1, 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.*