# Garrett Motion G vs TrailerWatchDog

The clearest difference is update cadence: TrailerWatchDog at every 2 weeks against Garrett Motion G's every 4 months. On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Garrett Motion G against 5.0 for TrailerWatchDog. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Garrett Motion G ships an update every 4 months, TrailerWatchDog every 2 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Garrett Motion G | TrailerWatchDog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/garrett-motion-g-smart-module/id6457547124/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/trailerwatchdog/id6474664454/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 6 MB | 5 MB |
| Requires iOS | **15.0** | 16 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Performance Electronics](https://appshunter.io/developer/1161515426) | [TrailerWatchDog LLC](https://appshunter.io/developer/1722228703) |

## What reviewers say

### Garrett Motion G

[App page](https://appshunter.io/ios/app/garrett-motion-g-smart-module/id6457547124)

This free tool connects to a Bluetooth module to display turbo speed and boost pressure data on your mobile device. Optimize turbocharger durability and performance by monitoring operating RPMs and calculating turbo efficiency.

**Highlights:** Display turbo speed and boost pressure, Optimize turbocharger durability and performance, Calculate turbo efficiency, Gauge and graph data formats, 120-second live data plot, Easy installation and setup

**Features:** macOS Compatibility

**In-app purchases:** none


### TrailerWatchDog

[App page](https://appshunter.io/ios/app/trailerwatchdog/id6474664454)

Monitor critical data for your trailers, including axle temperatures, tire pressure, and tire temperatures. This app works with specific monitoring systems from Trailerwatchdog.com.

**Highlights:** Axle temperature monitoring, Tire pressure monitoring, Tire temperature monitoring, Works with TWD monitoring systems, Real-time data

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Garrett Motion G free?

Garrett Motion G is free to download, with no in-app purchases.

### Is TrailerWatchDog free?

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

### Which has better reviews, Garrett Motion G or TrailerWatchDog?

Garrett Motion G and TrailerWatchDog are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Garrett Motion G or TrailerWatchDog have ads?

Neither Garrett Motion G nor TrailerWatchDog shows ads.

### Which is updated more often, Garrett Motion G or TrailerWatchDog?

Garrett Motion G ships an update every 4 months, and TrailerWatchDog every 2 weeks. Most recently, Garrett Motion G was updated on November 3, 2026 and TrailerWatchDog on November 4, 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.*