# Horizontal Shaft Alignment vs iAlignShaft

The clearest difference is price: Horizontal Shaft Alignment at Free against iAlignShaft's $2.99. Horizontal Shaft Alignment also leads on update cadence (every 3 months vs every 11 months) and device support (3 vs 1). On ads, in-app purchases and iOS requirement there is nothing between them.

Horizontal 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.

Horizontal Shaft Alignment ships an update every 3 months, iAlignShaft every 11 months. The most recent releases landed on November 5, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Horizontal Shaft Alignment | iAlignShaft |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/horizontal-shaft-alignment/id1499322319/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 11 months |
| Monetization | Free | — |
| Size | 123 MB | 2 MB |
| Requires iOS | **15.0** | 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

### Horizontal Shaft Alignment

[App page](https://appshunter.io/ios/app/horizontal-shaft-alignment/id1499322319)

This application assists with horizontal shaft alignment for motor and pump setups using specific Bluetooth-connected sensors. It guides users through the entire measurement and alignment process, offering features like Feetlock for challenging situations and instant PDF reporting.

**Highlights:** Bluetooth sensor connectivity, Guided measurement and alignment process, Feetlock function for base-bound machines, Instant PDF report generation, ACOEM Cloud integration for reporting and sharing, VertiZontal™ for simultaneous vertical and horizontal adjustment

**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 Horizontal Shaft Alignment free?

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

### Is iAlignShaft free?

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

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

Neither Horizontal Shaft Alignment nor iAlignShaft shows ads.

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

Horizontal Shaft Alignment ships an update every 3 months, and iAlignShaft every 11 months. Most recently, Horizontal Shaft Alignment was updated on November 5, 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.*