# Vertical Shaft Alignment vs Johnson Controls CWa

The clearest difference is rating: Vertical Shaft Alignment at 5.0 against Johnson Controls CWa's 2.5. Vertical Shaft Alignment also leads on iOS requirement (13.0 vs 16.0). Johnson Controls CWa's advantage is ratings volume (24 vs 1) and update cadence (every 3 months vs every 6 months). On price, ads, in-app purchases and monetization model 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 2.5. That said, the two scores are not equally well evidenced: Johnson Controls CWa has 24 ratings behind it against 1, so its average is the more settled of the two.

Vertical Shaft Alignment ships an update every 6 months, Johnson Controls CWa every 3 months. The most recent releases landed on July 19, 2026 and June 23, 2026 respectively.

## The numbers

| Metric | Vertical Shaft Alignment | Johnson Controls CWa |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/vertical-shaft-alignment/id1499478849/reviews)** | [2.5 (24 ratings)](https://appshunter.io/ios/app/johnson-controls-cwa/id6449843911/reviews) |
| Number of ratings | 1 | **24** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 94 MB | 75 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ACOEM Group](https://appshunter.io/developer/1495816959) | [Johnson Controls, Inc.](https://appshunter.io/developer/503559091) |

## 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


### Johnson Controls CWa

[App page](https://appshunter.io/ios/app/johnson-controls-cwa/id6449843911)

This app assists HVAC field installers and service contractors with onsite tasks. It allows technicians to discover and configure equipment controllers, create punch lists, and balance VAV boxes, with exportable reports.

**Highlights:** Discover BACnet compatible equipment controllers, View and test equipment hardware points, Create real-time punch lists, Configure equipment data, Display trends and events, Balance single duct VAV boxes, Export balancing reports

**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 Johnson Controls CWa free?

Johnson Controls CWa is free to download, with no in-app purchases.

### Which has better reviews, Vertical Shaft Alignment or Johnson Controls CWa?

Vertical Shaft Alignment is rated higher. Vertical Shaft Alignment averages 5.0 out of 5 from 1 ratings, while Johnson Controls CWa averages 2.5 from 24 ratings.

### Do Vertical Shaft Alignment or Johnson Controls CWa have ads?

Neither Vertical Shaft Alignment nor Johnson Controls CWa shows ads.

### Which is updated more often, Vertical Shaft Alignment or Johnson Controls CWa?

Vertical Shaft Alignment ships an update every 6 months, and Johnson Controls CWa every 3 months. Most recently, Vertical Shaft Alignment was updated on July 19, 2026 and Johnson Controls CWa on June 23, 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.*