# Servetec IoT vs ChatCar 챗카 OBD2 차량진단

The clearest difference is update cadence: ChatCar 챗카 OBD2 차량진단 at monthly against Servetec IoT's every 4 months. 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.

Servetec IoT ships an update every 4 months, ChatCar 챗카 OBD2 차량진단 monthly. The most recent releases landed on September 18, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Servetec IoT | ChatCar 챗카 OBD2 차량진단 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Size | 200 MB | 29 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HEAYOUNG JUN](https://appshunter.io/developer/1674391888) | [Youngwin Co., Ltd](https://appshunter.io/developer/6781990692) |

## What reviewers say

### Servetec IoT

[App page](https://appshunter.io/ios/app/servetec-iot/id6445871128)

**Features:** macOS Compatibility

**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 Servetec IoT free?

Servetec IoT 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 Servetec IoT or ChatCar 챗카 OBD2 차량진단 have ads?

Neither Servetec IoT nor ChatCar 챗카 OBD2 차량진단 shows ads.

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

Servetec IoT ships an update every 4 months, and ChatCar 챗카 OBD2 차량진단 monthly. Most recently, Servetec IoT was updated on September 18, 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.*