# MEAX Pen vs Vertical Shaft Alignment

The clearest difference is rating: Vertical Shaft Alignment at 5.0 against MEAX Pen's 1.0. Vertical Shaft Alignment also leads on update cadence (every 6 months vs every 12 months). MEAX Pen's advantage is iOS requirement (9.0 vs 13.0). 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.

Vertical Shaft Alignment holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

MEAX Pen ships an update every 12 months, Vertical Shaft Alignment every 6 months. Both last shipped on October 21, 2026.

## The numbers

| Metric | MEAX Pen | Vertical Shaft Alignment |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/meax-pen/id1226340941/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/vertical-shaft-alignment/id1499478849/reviews)** |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 6 months** |
| Monetization | Free | Free |
| Size | 169 MB | 94 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Acoem AB](https://appshunter.io/developer/814598470) | [ACOEM Group](https://appshunter.io/developer/1495816959) |

## What reviewers say

### MEAX Pen

[App page](https://appshunter.io/ios/app/meax-pen/id1226340941)

This application facilitates high-precision measurements of mechanical components using specialized sensors. It guides users through measurement tasks, simplifies result evaluation, and allows for easy documentation and sharing of findings. Measurements can be performed safely from a distance.

**Highlights:** High-precision measurements, Run-out and distance measurements, Guided measurement steps, Simplified result evaluation, Easy documentation and sharing, Bluetooth connectivity

**Features:** macOS Compatibility

**In-app purchases:** none


### Vertical Shaft Alignment

[App page](https://appshunter.io/ios/app/vertical-shaft-alignment/id1499478849)

This app guides users through the vertical shaft alignment process for motor and pump applications using specific Bluetooth-connected sensors. It facilitates measurement and alignment, and allows for instant PDF report generation on-site.

**Highlights:** Bluetooth sensor connectivity, Guided measurement and alignment process, Icon-based adaptive user interface, Instant PDF report generation, Works with RT-300/AT-200 sensors

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

**In-app purchases:** none


## Frequently asked questions

### Is MEAX Pen free?

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

### Is Vertical Shaft Alignment free?

Vertical Shaft Alignment is free to download, with no in-app purchases.

### Which has better reviews, MEAX Pen or Vertical Shaft Alignment?

Vertical Shaft Alignment is rated higher. MEAX Pen averages 1.0 out of 5 from 1 ratings, while Vertical Shaft Alignment averages 5.0 from 1 ratings.

### Do MEAX Pen or Vertical Shaft Alignment have ads?

Neither MEAX Pen nor Vertical Shaft Alignment shows ads.

### Which is updated more often, MEAX Pen or Vertical Shaft Alignment?

MEAX Pen ships an update every 12 months, and Vertical Shaft Alignment every 6 months. Most recently, MEAX Pen was updated on October 21, 2026 and Vertical Shaft Alignment on October 21, 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.*