# CarCoding vs Auto Diag Solution

The clearest difference is update cadence: CarCoding at every 2 days against Auto Diag Solution's every 5 days. On price, ads, in-app purchases 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 and Auto Diag Solution sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

CarCoding ships an update every 2 days, Auto Diag Solution every 5 days. The most recent releases landed on October 11, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | CarCoding | Auto Diag Solution |
| --- | --- | --- |
| 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 days** | Every 5 days |
| Monetization | Freemium | — |
| Size | 101 MB | 51 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Mustafa YILMAZ](https://appshunter.io/developer/1491589580) | [Lopes Brice](https://appshunter.io/developer/6782612915) |

## 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 |


### Auto Diag Solution

[App page](https://appshunter.io/ios/app/auto-diag-solution/id6782612913)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Auto Diag Pro Mensuel | $6.99 | per month |
| Auto Diag Pro Annuel | $49.99 | per year |


## Frequently asked questions

### Is CarCoding free?

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

### Is Auto Diag Solution free?

Auto Diag Solution is free to download, with in-app purchases available.

### Do CarCoding or Auto Diag Solution have ads?

Neither CarCoding nor Auto Diag Solution shows ads.

### Which is updated more often, CarCoding or Auto Diag Solution?

CarCoding ships an update every 2 days, and Auto Diag Solution every 5 days. Most recently, CarCoding was updated on October 11, 2026 and Auto Diag Solution 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.*