# CarCoding vs Gauge King

The clearest difference is in-app purchases: Gauge King at none against CarCoding's 3. CarCoding's advantage is update cadence (daily vs every 4 days) and iOS requirement (15.1 vs 17.2). On price, ads and device support there is nothing between them.

Both are free to download. CarCoding sells 3 in-app purchases, starting at $2.49 per month. Gauge King asks for nothing beyond the download.

CarCoding ships an update daily, Gauge King every 4 days. The most recent releases landed on September 17, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | CarCoding | Gauge King |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/carcoding-obd2-car-scanner/id6759403080/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 4 days |
| Monetization | Freemium | — |
| Size | 88 MB | 8 MB |
| Requires iOS | **15.1** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Mustafa YILMAZ](https://appshunter.io/developer/1491589580) | [Mark Ross](https://appshunter.io/developer/1885041786) |

## What reviewers say

### CarCoding

[App page](https://appshunter.io/ios/app/carcoding-obd2-car-scanner/id6759403080)

This app acts as an OBD2 scanner, providing diagnostics, live data, and ECU coding for your vehicle. It helps you understand check engine lights, clear codes, monitor engine performance, and access hidden car features. Supports ELM327 adapters and offers AI-powered repair assistance.

**Highlights:** OBD2 diagnostics and fault code clearing, AI repair assistant for code explanations, Live engine data with customizable gauges, ECU coding and access to hidden features, Apple CarPlay and Siri integration, Vehicle compatibility checks

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CarCoding Pro Monthly | $2.49 | per month |
| CarCoding Pro Annual | $19.99 | per year |
| CarCoding Pro – Lifetime | $49.99 | one-time |


### 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 CarCoding free?

CarCoding is free to download, with in-app purchases available.

### Is Gauge King free?

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

### Do CarCoding or Gauge King have ads?

Neither CarCoding nor Gauge King shows ads.

### Which is updated more often, CarCoding or Gauge King?

CarCoding ships an update daily, and Gauge King every 4 days. Most recently, CarCoding was updated on September 17, 2026 and Gauge King on October 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*