# OBD Quest vs ChatCar 챗카 OBD2 차량진단

The clearest difference is in-app purchases: ChatCar 챗카 OBD2 차량진단 at none against OBD Quest's 3. ChatCar 챗카 OBD2 차량진단 also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. OBD Quest sells 3 in-app purchases, starting at $9.99 per month. ChatCar 챗카 OBD2 차량진단 asks for nothing beyond the download.

OBD Quest ships an update every 3 weeks, ChatCar 챗카 OBD2 차량진단 every 2 weeks. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | OBD Quest | ChatCar 챗카 OBD2 차량진단 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/obd-quest/id6496854120/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 54 MB | 28 MB |
| Requires iOS | **14.0.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shop Booster Ltd](https://appshunter.io/developer/1741157179) | [Youngwin Co., Ltd](https://appshunter.io/developer/6781990692) |

## What reviewers say

### OBD Quest

[App page](https://appshunter.io/ios/app/obd-quest/id6496854120)

Decode and understand car diagnostic trouble codes with this comprehensive interpreter. It provides detailed insights into fault codes, potential causes, and repair recommendations, complementing your existing OBD2 scanning tools. Access a vast database of codes across multiple languages and car brands to diagnose issues with confidence.

**Highlights:** Interpretation of over 85,000 OBD2 codes, Multilingual support (English, French, Italian, German, Portuguese, Spanish), Extensive coverage across auto makes and brands, Detailed insights for each code search, Unlimited code searches, AI-powered code interpretation

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro Plan | $9.99 | per month |
| Yearly Pro Plan | $99.99 | per year |
| Pro Plan for 3 days only | $0.99 | one-time |


### ChatCar 챗카 OBD2 차량진단

[App page](https://appshunter.io/ios/app/chatcar-obd2/id6781990690)

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

**In-app purchases:** none


## Frequently asked questions

### Is OBD Quest free?

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

### Is ChatCar 챗카 OBD2 차량진단 free?

ChatCar 챗카 OBD2 차량진단 is free to download, with no in-app purchases.

### Do OBD Quest or ChatCar 챗카 OBD2 차량진단 have ads?

OBD Quest shows ads; ChatCar 챗카 OBD2 차량진단 does not.

### Which is updated more often, OBD Quest or ChatCar 챗카 OBD2 차량진단?

OBD Quest ships an update every 3 weeks, and ChatCar 챗카 OBD2 차량진단 every 2 weeks. Most recently, OBD Quest was updated on November 4, 2026 and ChatCar 챗카 OBD2 차량진단 on October 31, 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.*