# Sonar Mobile vs Vertical Shaft Alignment

The clearest difference is rating: Vertical Shaft Alignment at 5.0 against Sonar Mobile's 4.2. Vertical Shaft Alignment also leads on iOS requirement (13.0 vs 16.0). Sonar Mobile's advantage is update cadence (every 6 weeks vs every 6 months) and ratings volume (10 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 4.2. That said, the two scores are not equally well evidenced: Sonar Mobile has 10 ratings behind it against 1, so its average is the more settled of the two.

Sonar Mobile ships an update every 6 weeks, Vertical Shaft Alignment every 6 months. Both last shipped on October 14, 2026.

## The numbers

| Metric | Sonar Mobile | Vertical Shaft Alignment |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (10 ratings)](https://appshunter.io/ios/app/sonar-mobile/id1398130124/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/vertical-shaft-alignment/id1499478849/reviews)** |
| Number of ratings | **10** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 6 months |
| Monetization | Free | Free |
| Size | 46 MB | 94 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Advantix THINaër LLC](https://appshunter.io/developer/1398130123) | [ACOEM Group](https://appshunter.io/developer/1495816959) |

## What reviewers say

### Sonar Mobile

[App page](https://appshunter.io/ios/app/sonar-mobile/id1398130124)

Locate Bluetooth devices and monitor environmental conditions in real-time. Gain insights into asset usage and maintenance needs without traditional tracking solutions. Jumpstart your business's digital transformation with this powerful IoT tool.

**Highlights:** Real-time asset location, Environmental condition monitoring, Bluetooth device tracking, Predictive maintenance alerts, Asset usage insights, Digital transformation tool

**Features:** macOS Compatibility

**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 Sonar Mobile free?

Sonar Mobile 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.

### Which has better reviews, Sonar Mobile or Vertical Shaft Alignment?

Vertical Shaft Alignment is rated higher. Sonar Mobile averages 4.2 out of 5 from 10 ratings, while Vertical Shaft Alignment averages 5.0 from 1 ratings.

### Do Sonar Mobile or Vertical Shaft Alignment have ads?

Neither Sonar Mobile nor Vertical Shaft Alignment shows ads.

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

Sonar Mobile ships an update every 6 weeks, and Vertical Shaft Alignment every 6 months. Most recently, Sonar Mobile was updated on October 14, 2026 and Vertical Shaft Alignment on October 14, 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.*