# SKF Shaft alignment vs Pipe Flow Liquid Flow Rate

The clearest difference is rating: Pipe Flow Liquid Flow Rate at 4.9 against SKF Shaft alignment's 3.7. Pipe Flow Liquid Flow Rate also leads on update cadence (fortnightly vs every 3 months) and iOS requirement (11.0 vs 16.0). SKF Shaft alignment's advantage is in-app purchases (none vs 1). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Pipe Flow Liquid Flow Rate sells 1 one-off in-app purchase. SKF Shaft alignment asks for nothing beyond the download.

Pipe Flow Liquid Flow Rate holds the better App Store score, 4.9 against 3.7. Both are backed by a comparable volume of ratings — 10 and 8 respectively.

SKF Shaft alignment ships an update every 3 months, Pipe Flow Liquid Flow Rate fortnightly. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SKF Shaft alignment | Pipe Flow Liquid Flow Rate |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (10 ratings)](https://appshunter.io/ios/app/skf-shaft-alignment/id990162436/reviews) | **[4.9 (8 ratings)](https://appshunter.io/ios/app/pipe-flow-liquid-flow-rate/id1582818872/reviews)** |
| Number of ratings | **10** | 8 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 72 MB | 67 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SKF](https://appshunter.io/developer/472922971) | [Pipe Flow Software](https://appshunter.io/developer/1193064957) |

## 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


### Pipe Flow Liquid Flow Rate

[App page](https://appshunter.io/ios/app/pipe-flow-liquid-flow-rate/id1582818872)

Calculate fluid flow rate in pipes, including friction and fitting losses, using accurate engineering equations. Features extensive databases for liquids, pipes, and fittings, with customizable units and reporting options.

**Highlights:** Fluid flow rate calculation, Friction and fitting loss calculation, Extensive material and fluid databases, Customizable units (Imperial/Metric), Professional Excel and PDF reports, Results verification against published data

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pipe Flow Flow Rate | $4.99 | one-time |


## Frequently asked questions

### Is SKF Shaft alignment free?

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

### Is Pipe Flow Liquid Flow Rate free?

Pipe Flow Liquid Flow Rate is free to download, with in-app purchases available.

### Which has better reviews, SKF Shaft alignment or Pipe Flow Liquid Flow Rate?

Pipe Flow Liquid Flow Rate is rated higher. SKF Shaft alignment averages 3.7 out of 5 from 10 ratings, while Pipe Flow Liquid Flow Rate averages 4.9 from 8 ratings.

### Do SKF Shaft alignment or Pipe Flow Liquid Flow Rate have ads?

Neither SKF Shaft alignment nor Pipe Flow Liquid Flow Rate shows ads.

### Which is updated more often, SKF Shaft alignment or Pipe Flow Liquid Flow Rate?

SKF Shaft alignment ships an update every 3 months, and Pipe Flow Liquid Flow Rate fortnightly. Most recently, SKF Shaft alignment was updated on October 21, 2026 and Pipe Flow Liquid Flow Rate on October 24, 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.*