# Motor Pitch Analyzer vs LinkRay Scanner

The clearest difference is ads: LinkRay Scanner at none against Motor Pitch Analyzer's shown. LinkRay Scanner also leads on update cadence (every 5 days vs monthly). Motor Pitch Analyzer's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price and in-app purchases there is nothing between them.

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

Motor Pitch Analyzer ships an update monthly, LinkRay Scanner every 5 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Motor Pitch Analyzer | LinkRay Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/motor-pitch-analyzer/id6502329028/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | Ad-supported | — |
| Size | 103 MB | 2 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shiho Masuda](https://appshunter.io/developer/500997902) | [PieceFuture Ptd Ltd](https://appshunter.io/developer/6809101129) |

## What reviewers say

### Motor Pitch Analyzer

[App page](https://appshunter.io/ios/app/motor-pitch-analyzer/id6502329028)

Measure small motor rotation speed in real-time using your smartphone's microphone. View motor sound waveforms for rough guidance on shaft runout and brush conditions. Achieve better accuracy by narrowing the measurement range in a quiet environment.

**Highlights:** Real-time motor RPM measurement, Motor sound waveform visualization, Adjustable measurement range for accuracy, Analysis of shaft runout and brush conditions, Quiet environment measurement recommendation

**Features:** macOS Compatibility

**In-app purchases:** none


### LinkRay Scanner

[App page](https://appshunter.io/ios/app/linkray-scanner/id6809101127)

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

**In-app purchases:** none


## Frequently asked questions

### Is Motor Pitch Analyzer free?

Motor Pitch Analyzer is free to download, with no in-app purchases.

### Is LinkRay Scanner free?

LinkRay Scanner is free to download, with no in-app purchases.

### Do Motor Pitch Analyzer or LinkRay Scanner have ads?

Motor Pitch Analyzer shows ads; LinkRay Scanner does not.

### Which is updated more often, Motor Pitch Analyzer or LinkRay Scanner?

Motor Pitch Analyzer ships an update monthly, and LinkRay Scanner every 5 days. Most recently, Motor Pitch Analyzer was updated on November 4, 2026 and LinkRay Scanner on October 31, 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.*