# OBDify Car Diagnostic vs ChatCar 챗카 OBD2 차량진단

The clearest difference is in-app purchases: ChatCar 챗카 OBD2 차량진단 at none against OBDify Car Diagnostic's 6. 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. OBDify Car Diagnostic sells 6 in-app purchases, starting at $4.99 per month. ChatCar 챗카 OBD2 차량진단 asks for nothing beyond the download.

OBDify Car Diagnostic ships an update every 3 weeks, ChatCar 챗카 OBD2 차량진단 every 2 weeks. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | OBDify Car Diagnostic | ChatCar 챗카 OBD2 차량진단 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 64 MB | 28 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OBDify](https://appshunter.io/developer/1689565023) | [Youngwin Co., Ltd](https://appshunter.io/developer/6781990692) |

## What reviewers say

### OBDify Car Diagnostic

[App page](https://appshunter.io/ios/app/obdify-car-diagnostic/id6754986520)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OBDify Premium (Monthly) | $4.99 | per month |
| OBDify Premium (Annual) | $47.99 | per year |
| Unlock 1 VIN | $19.99 | one-time |
| Unlock 3 VINs | $49.99 | one-time |
| Unlock 10 VINs | $119.99 | one-time |
| Unlock 25 VINs | $199.99 | 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 OBDify Car Diagnostic free?

OBDify Car Diagnostic 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 OBDify Car Diagnostic or ChatCar 챗카 OBD2 차량진단 have ads?

OBDify Car Diagnostic shows ads; ChatCar 챗카 OBD2 차량진단 does not.

### Which is updated more often, OBDify Car Diagnostic or ChatCar 챗카 OBD2 차량진단?

OBDify Car Diagnostic ships an update every 3 weeks, and ChatCar 챗카 OBD2 차량진단 every 2 weeks. Most recently, OBDify Car Diagnostic was updated on October 24, 2026 and ChatCar 챗카 OBD2 차량진단 on October 15, 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.*