# EzAuth2 vs ChatCar 챗카 OBD2 차량진단

The clearest difference is update cadence: ChatCar 챗카 OBD2 차량진단 at monthly against EzAuth2's every 3 months. ChatCar 챗카 OBD2 차량진단 also leads on iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

EzAuth2 ships an update every 3 months, ChatCar 챗카 OBD2 차량진단 monthly. The most recent releases landed on September 17, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | EzAuth2 | ChatCar 챗카 OBD2 차량진단 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Size | 27 MB | 29 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [(주) 이지아이앤씨](https://appshunter.io/developer/1642240449) | [Youngwin Co., Ltd](https://appshunter.io/developer/6781990692) |

## What reviewers say

### EzAuth2

[App page](https://appshunter.io/ios/app/ezauth2/id6738896267)

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

**In-app purchases:** none


### 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 EzAuth2 free?

EzAuth2 is free to download, with no in-app purchases.

### Is ChatCar 챗카 OBD2 차량진단 free?

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

### Do EzAuth2 or ChatCar 챗카 OBD2 차량진단 have ads?

Neither EzAuth2 nor ChatCar 챗카 OBD2 차량진단 shows ads.

### Which is updated more often, EzAuth2 or ChatCar 챗카 OBD2 차량진단?

EzAuth2 ships an update every 3 months, and ChatCar 챗카 OBD2 차량진단 monthly. Most recently, EzAuth2 was updated on September 17, 2026 and ChatCar 챗카 OBD2 차량진단 on September 30, 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.*