# CarCoding vs AutoCheck OBD

The clearest difference is rating: AutoCheck OBD at 4.0 against CarCoding's 1.0. AutoCheck OBD also leads on in-app purchases (none vs 3). CarCoding's advantage is update cadence (every 2 days vs every 2 months) and device support (3 vs 1). On price, ratings volume and ads there is nothing between them.

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

AutoCheck OBD holds the better App Store score, 4.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

CarCoding ships an update every 2 days, AutoCheck OBD every 2 months. The most recent releases landed on October 11, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | CarCoding | AutoCheck OBD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/carcoding-obd2-car-scanner/id6759403080/reviews) | **[4.0 (1 ratings)](https://appshunter.io/ios/app/autocheck-obd/id6771629013/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 months |
| Monetization | Freemium | **Free** |
| Size | 101 MB | 4 MB |
| Requires iOS | **15.1** | 18.1 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [Mustafa YILMAZ](https://appshunter.io/developer/1491589580) | [Subin Revi](https://appshunter.io/developer/1694863615) |

## 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 |


### AutoCheck OBD

[App page](https://appshunter.io/ios/app/autocheck-obd/id6771629013)

Transform your iPhone into a professional OBD-II scanner. Read and clear diagnostic trouble codes with plain-language explanations, view live engine data in real-time, and generate comprehensive diagnostic reports. Explore all features with a demo mode before connecting an adapter.

**Highlights:** Read and clear DTCs, Plain-language code descriptions, Live engine data dashboard, Freeze-frame data capture, Shareable PDF diagnostic reports, Demo Mode for exploration, Multi-language support

**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 AutoCheck OBD free?

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

### Which has better reviews, CarCoding or AutoCheck OBD?

AutoCheck OBD is rated higher. CarCoding averages 1.0 out of 5 from 1 ratings, while AutoCheck OBD averages 4.0 from 1 ratings.

### Do CarCoding or AutoCheck OBD have ads?

Neither CarCoding nor AutoCheck OBD shows ads.

### Which is updated more often, CarCoding or AutoCheck OBD?

CarCoding ships an update every 2 days, and AutoCheck OBD every 2 months. Most recently, CarCoding was updated on October 11, 2026 and AutoCheck OBD on September 27, 2026.

---

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