# SKF Shaft alignment vs EXOSPACE B55

The clearest difference is review sentiment: SKF Shaft alignment at 100% against EXOSPACE B55's 14%. SKF Shaft alignment also leads on rating (3.7 vs 1.6). EXOSPACE B55's advantage is ratings volume (65 vs 10) and iOS requirement (9.0 vs 16.0). On price, update cadence, 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 1.6. That said, the two scores are not equally well evidenced: EXOSPACE B55 has 65 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 100% of SKF Shaft alignment's written reviews are positive against 14% of EXOSPACE B55's.

SKF Shaft alignment ships an update every 3 months, EXOSPACE B55 every 2 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | SKF Shaft alignment | EXOSPACE B55 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (10 ratings)](https://appshunter.io/ios/app/skf-shaft-alignment/id990162436/reviews)** | [1.6 (65 ratings)](https://appshunter.io/ios/app/exospace-b55/id1016372966/reviews) |
| Number of ratings | 10 | **65** |
| Positive reviews | **100.0% of reviews** | 14.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 72 MB | 13 MB |
| Requires iOS | 16.0 | **9.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SKF](https://appshunter.io/developer/472922971) | [Breitling SA](https://appshunter.io/developer/323691435) |

## 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


### EXOSPACE B55

[App page](https://appshunter.io/ios/app/exospace-b55/id1016372966)

Enhance your connected chronograph's functionality with this companion app. It allows for easy adjustment of watch settings, saving and analyzing measurement data, and configuring various chronograph functions. Receive smartphone notifications directly on your watch and update its software seamlessly.

**Highlights:** Verify and adjust chronograph settings, Save and analyze time series measurements, Configure chronograph functions, Access and save flight times, Receive smartphone notifications on watch, Personalize watch display, Update watch software

**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 EXOSPACE B55 free?

EXOSPACE B55 is free to download, with no in-app purchases.

### Which has better reviews, SKF Shaft alignment or EXOSPACE B55?

SKF Shaft alignment is rated higher. SKF Shaft alignment averages 3.7 out of 5 from 10 ratings, while EXOSPACE B55 averages 1.6 from 65 ratings.

### Do SKF Shaft alignment or EXOSPACE B55 have ads?

Neither SKF Shaft alignment nor EXOSPACE B55 shows ads.

### Which is updated more often, SKF Shaft alignment or EXOSPACE B55?

SKF Shaft alignment ships an update every 3 months, and EXOSPACE B55 every 2 months. Most recently, SKF Shaft alignment was updated on November 1, 2026 and EXOSPACE B55 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.*