# Haltech Connect vs Gauge King

The clearest difference is update cadence: Gauge King at every 4 days against Haltech Connect's every 2 months. Haltech Connect's advantage is iOS requirement (13.0 vs 17.2). On price, ads, 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.

Haltech Connect ships an update every 2 months, Gauge King every 4 days. The most recent releases landed on October 7, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Haltech Connect | Gauge King |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/haltech-connect/id6466758975/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 135 MB | 8 MB |
| Requires iOS | **13.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [LOCKIN PTY LTD](https://appshunter.io/developer/1707778875) | [Mark Ross](https://appshunter.io/developer/1885041786) |

## What reviewers say

### Haltech Connect

[App page](https://appshunter.io/ios/app/haltech-connect/id6466758975)

Monitor vehicle channels, read and clear diagnostic trouble codes, and adjust settings for your Haltech ECU. This app facilitates initial setup for Rebel ECUs and connects to Wi-Fi enabled Nexus ECUs, allowing real-time data viewing and configuration changes.

**Highlights:** Monitor ECU channels, Read and clear DTCs, View and change settings, Perform initial ECU setup, Connect to Wi-Fi enabled ECUs, Select metric/imperial units

**Features:** macOS Compatibility

**In-app purchases:** none


### Gauge King

[App page](https://appshunter.io/ios/app/gauge-king/id6777585502)

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

**In-app purchases:** none


## Frequently asked questions

### Is Haltech Connect free?

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

### Is Gauge King free?

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

### Do Haltech Connect or Gauge King have ads?

Neither Haltech Connect nor Gauge King shows ads.

### Which is updated more often, Haltech Connect or Gauge King?

Haltech Connect ships an update every 2 months, and Gauge King every 4 days. Most recently, Haltech Connect was updated on October 7, 2026 and Gauge King on October 17, 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.*