# Gauge vs CarCoding

The clearest difference is update cadence: CarCoding at every 2 days against Gauge's every 2 months. CarCoding also leads on device support (3 vs 1) and iOS requirement (15.1 vs 18.5). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Gauge sells 1 one-off in-app purchase and CarCoding sells 3 in-app purchases, starting at $2.49 per month. Whichever you choose, the download price is not the number that matters.

Gauge ships an update every 2 months, CarCoding every 2 days. The most recent releases landed on October 4, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Gauge | CarCoding |
| --- | --- | --- |
| 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 | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | — | Freemium |
| Size | 4 MB | 101 MB |
| Requires iOS | 18.5 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Herri.es Limited](https://appshunter.io/developer/1828571439) | [Mustafa YILMAZ](https://appshunter.io/developer/1491589580) |

## What reviewers say

### Gauge

[App page](https://appshunter.io/ios/app/gauge/id6755354159)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gauge Pro | $4.99 | one-time |


### 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 |


## Frequently asked questions

### Is Gauge free?

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

### Is CarCoding free?

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

### Do Gauge or CarCoding have ads?

Neither Gauge nor CarCoding shows ads.

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

Gauge ships an update every 2 months, and CarCoding every 2 days. Most recently, Gauge was updated on October 4, 2026 and CarCoding on October 11, 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.*