# Vertical Shaft Alignment vs Electronic Dial Indicator

The clearest difference is rating: Vertical Shaft Alignment at 5.0 against Electronic Dial Indicator's 3.3. Electronic Dial Indicator's advantage is update cadence (every 3 months vs every 6 months) and ratings volume (6 vs 1). 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 3.3. That said, the two scores are not equally well evidenced: Electronic Dial Indicator has 6 ratings behind it against 1, so its average is the more settled of the two.

Vertical Shaft Alignment ships an update every 6 months, Electronic Dial Indicator every 3 months. The most recent releases landed on July 19, 2026 and July 9, 2026 respectively.

## The numbers

| Metric | Vertical Shaft Alignment | Electronic Dial Indicator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/vertical-shaft-alignment/id1499478849/reviews)** | [3.3 (6 ratings)](https://appshunter.io/ios/app/electronic-dial-indicator/id1512789792/reviews) |
| Number of ratings | 1 | **6** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 94 MB | 27 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ACOEM Group](https://appshunter.io/developer/1495816959) | [Chicago Dial Indicator Co.](https://appshunter.io/developer/1512789791) |

## 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


### Electronic Dial Indicator

[App page](https://appshunter.io/ios/app/electronic-dial-indicator/id1512789792)

Connect to wireless dial indicators to view real-time measurements, configure settings, and record data. Supports up to seven gages simultaneously, offering digital or analog readouts with tolerance status. Log data continuously or individually and share measurement files via email.

**Highlights:** Connect up to 7 wireless dial indicators, View current, min, and max measurements, Digital or analog readouts, Zero measurement and hold functionality, Record single or continuous data logging, Share measurement files (CSV)

**Features:** macOS Compatibility

**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 Electronic Dial Indicator free?

Electronic Dial Indicator is free to download, with no in-app purchases.

### Which has better reviews, Vertical Shaft Alignment or Electronic Dial Indicator?

Vertical Shaft Alignment is rated higher. Vertical Shaft Alignment averages 5.0 out of 5 from 1 ratings, while Electronic Dial Indicator averages 3.3 from 6 ratings.

### Do Vertical Shaft Alignment or Electronic Dial Indicator have ads?

Neither Vertical Shaft Alignment nor Electronic Dial Indicator shows ads.

### Which is updated more often, Vertical Shaft Alignment or Electronic Dial Indicator?

Vertical Shaft Alignment ships an update every 6 months, and Electronic Dial Indicator every 3 months. Most recently, Vertical Shaft Alignment was updated on July 19, 2026 and Electronic Dial Indicator on July 9, 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.*