# Charge GO vs Motor Pitch Analyzer

The clearest difference is rating: Charge GO at 5.0 against Motor Pitch Analyzer's 1.0. Charge GO also leads on ads (none vs shown) and monetization model (free vs ad-supported). Motor Pitch Analyzer's advantage is update cadence (monthly vs every 34 months). On price, ratings volume, in-app purchases and device support there is nothing between them.

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

Charge GO holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Charge GO ships an update every 34 months, Motor Pitch Analyzer monthly. Both last shipped on October 14, 2026.

## The numbers

| Metric | Charge GO | Motor Pitch Analyzer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/charge-go/id1548635357/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/motor-pitch-analyzer/id6502329028/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 34 months | **Monthly** |
| Monetization | **Free** | Ad-supported |
| Size | 96 MB | 103 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [G FORCE, K.K.](https://appshunter.io/developer/863835209) | [Shiho Masuda](https://appshunter.io/developer/500997902) |

## What reviewers say

### Charge GO

[App page](https://appshunter.io/ios/app/charge-go/id1548635357)

Manage and operate compatible G-FORCE BT-LINK chargers. This utility app allows for seamless control of your charging devices.

**Highlights:** Manage BT-LINK chargers, Operate charging devices, Device control, Charger management

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Charge GO free?

Charge GO is free to download, with no in-app purchases.

### Is Motor Pitch Analyzer free?

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

### Which has better reviews, Charge GO or Motor Pitch Analyzer?

Charge GO is rated higher. Charge GO averages 5.0 out of 5 from 1 ratings, while Motor Pitch Analyzer averages 1.0 from 1 ratings.

### Do Charge GO or Motor Pitch Analyzer have ads?

Motor Pitch Analyzer shows ads; Charge GO does not.

### Which is updated more often, Charge GO or Motor Pitch Analyzer?

Charge GO ships an update every 34 months, and Motor Pitch Analyzer monthly. Most recently, Charge GO was updated on October 14, 2026 and Motor Pitch Analyzer 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.*