# RELAY 릴레이 vs ChatCar 챗카 OBD2 차량진단

The clearest difference is ads: ChatCar 챗카 OBD2 차량진단 at none against RELAY 릴레이's shown. ChatCar 챗카 OBD2 차량진단 also leads on device support (3 vs 1). RELAY 릴레이's advantage is update cadence (every 2 days vs every 2 weeks). On price, in-app purchases and iOS requirement there is nothing between them.

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

RELAY 릴레이 ships an update every 2 days, ChatCar 챗카 OBD2 차량진단 every 2 weeks. The most recent releases landed on October 17, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | RELAY 릴레이 | ChatCar 챗카 OBD2 차량진단 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/relay/id6777898474/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 76.9% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Monetization | Ad-supported | — |
| Size | 14 MB | 28 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tae Su Yi](https://appshunter.io/developer/6777898476) | [Youngwin Co., Ltd](https://appshunter.io/developer/6781990692) |

## What reviewers say

### RELAY 릴레이

[App page](https://appshunter.io/ios/app/relay/id6777898474)

Easily share video links from popular platforms like Instagram, YouTube, and TikTok directly to messaging apps. It automatically generates previews and offers a secure way to share without revealing personal information. Discover new content through friend recommendations.

**Highlights:** Supports Instagram, YouTube, Twitter, TikTok links, One-tap sharing to KakaoTalk, Line, Telegram, Automatic preview generation, Friend recommendation feature, Secure link handling for privacy

**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 RELAY 릴레이 free?

RELAY 릴레이 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 RELAY 릴레이 or ChatCar 챗카 OBD2 차량진단 have ads?

RELAY 릴레이 shows ads; ChatCar 챗카 OBD2 차량진단 does not.

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

RELAY 릴레이 ships an update every 2 days, and ChatCar 챗카 OBD2 차량진단 every 2 weeks. Most recently, RELAY 릴레이 was updated on October 17, 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.*