# iOBD2 vs Car Connection

The clearest difference is in-app purchases: iOBD2 at none against Car Connection's 2. iOBD2 also leads on device support (3 vs 1) and iOS requirement (4.3 vs 17.6). Car Connection's advantage is update cadence (weekly vs every 3 months). On price and ads there is nothing between them.

Both are free to download. Car Connection sells 2 in-app purchases, starting at $19.99 per month. iOBD2 asks for nothing beyond the download.

iOBD2 ships an update every 3 months, Car Connection weekly. The most recent releases landed on October 20, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | iOBD2 | Car Connection |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (19 ratings)](https://appshunter.io/ios/app/iobd2-dtc/id710380105/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free | — |
| Size | 44 MB | 83 MB |
| Requires iOS | **4.3** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [翔宇 金](https://appshunter.io/developer/528881861) | [Mats Vink](https://appshunter.io/developer/1747327646) |

## What reviewers say

### iOBD2

[App page](https://appshunter.io/ios/app/iobd2-dtc/id710380105)

This app serves as a reference for standard Diagnostic Trouble Codes (DTCs) found in vehicles. It helps users understand fault codes generated by a car's onboard computer, aiding in problem diagnosis.

**Highlights:** Diagnostic Trouble Code reference, Fault code lookup, Vehicle system diagnostics, Problem identification

**Features:** macOS Compatibility

**In-app purchases:** none


### Car Connection

[App page](https://appshunter.io/ios/app/car-connection-remote-key/id6749094312)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full control over your car! | $19.99 | per month |
| Full control over your car! | $39.99 | per year |


## Frequently asked questions

### Is iOBD2 free?

iOBD2 is free to download, with no in-app purchases.

### Is Car Connection free?

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

### Do iOBD2 or Car Connection have ads?

Neither iOBD2 nor Car Connection shows ads.

### Which is updated more often, iOBD2 or Car Connection?

iOBD2 ships an update every 3 months, and Car Connection weekly. Most recently, iOBD2 was updated on October 20, 2026 and Car Connection on October 10, 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.*