# Clearance Reduction Calculator vs Vertical Shaft Alignment

Clearance Reduction Calculator and Vertical Shaft Alignment are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Clearance Reduction Calculator ships an update every 7 months, Vertical Shaft Alignment every 6 months. The most recent releases landed on September 8, 2026 and July 19, 2026 respectively.

## The numbers

| Metric | Clearance Reduction Calculator | Vertical Shaft Alignment |
| --- | --- | --- |
| Price | Free | Free |
| 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 7 months | **Every 6 months** |
| Monetization | — | Free |
| Size | 45 MB | 94 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BGL - Bertoloto & Grotta Ltda](https://appshunter.io/developer/1541906338) | [ACOEM Group](https://appshunter.io/developer/1495816959) |

## What reviewers say

### Clearance Reduction Calculator

[App page](https://appshunter.io/ios/app/clearance-reduction-calculator/id1379077479)

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

**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 Clearance Reduction Calculator free?

Clearance Reduction Calculator 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.

### Do Clearance Reduction Calculator or Vertical Shaft Alignment have ads?

Neither Clearance Reduction Calculator nor Vertical Shaft Alignment shows ads.

### Which is updated more often, Clearance Reduction Calculator or Vertical Shaft Alignment?

Clearance Reduction Calculator ships an update every 7 months, and Vertical Shaft Alignment every 6 months. Most recently, Clearance Reduction Calculator was updated on September 8, 2026 and Vertical Shaft Alignment on July 19, 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.*