# Vertical Shaft Alignment vs iAlignShaft

The clearest difference is price: Vertical Shaft Alignment at Free against iAlignShaft's $2.99. Vertical Shaft Alignment also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.2). On update cadence, ads and in-app purchases there is nothing between them.

Vertical Shaft Alignment is free to download; iAlignShaft costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Vertical Shaft Alignment ships an update every 6 months, iAlignShaft every 11 months. The most recent releases landed on November 3, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Vertical Shaft Alignment | iAlignShaft |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/vertical-shaft-alignment/id1499478849/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 11 months |
| Monetization | Free | — |
| Size | 94 MB | 2 MB |
| Requires iOS | **13.0** | 16.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ACOEM Group](https://appshunter.io/developer/1495816959) | [Hans Babylone](https://appshunter.io/developer/1550504166) |

## What reviewers say

### 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


### iAlignShaft

[App page](https://appshunter.io/ios/app/ialignshaft/id1561514816)

**In-app purchases:** none


## Frequently asked questions

### Is Vertical Shaft Alignment free?

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

### Is iAlignShaft free?

iAlignShaft costs $2.99, with no in-app purchases.

### Do Vertical Shaft Alignment or iAlignShaft have ads?

Neither Vertical Shaft Alignment nor iAlignShaft shows ads.

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

Vertical Shaft Alignment ships an update every 6 months, and iAlignShaft every 11 months. Most recently, Vertical Shaft Alignment was updated on November 3, 2026 and iAlignShaft on October 16, 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.*