Comparison

EzAuth2 vs ChatCar 챗카 OBD2 차량진단

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

EzAuth2

Features
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이 애플리케이션은 안전한 로그인 환경을 제공하기 위해 2차 인증 기능을 지원하는 보안 도구입니다. 사용자는 앱에 개별적으로 가입한 뒤, 계약된 기관에서 발급한 인증용 카드를 통해 2차 인증을 수행합니다. 인증 과정은 발급된 카드의 정보를 기반으로 이루어지며, 이를 통해 사용자 계정의 무단 접근을 차단하고 보안을 강화합니다. 주요 기능: 사용자 가입: 사용자가 앱에 개별적으로 계정을 생성. 인증 카드 발급: 사용자가 소속된 계약된 기관에서 별도로 인증용 카드를 발급. 2차 인증 수행: 로그인 시, 발급받은 인증용 카드를 이용하여 2차 인증을 완료. 보안 강화: 기존의 아이디/비밀번호 방식에 추가적인 보안 계층 제공. 이 앱은 특히 기관별로 관리되는 인증 카드 시스템을 통해 높은 수준의 보안을 제공하여, 다양한 환경에서 안전하고 신뢰할 수 있는 인증 체계를 구축합니다.

About

ChatCar 챗카 OBD2 차량진단

Features
Read full description

ChatCar is an AI-powered vehicle diagnostics and management platform built on OBD2 data. Check your car's condition and manage diagnostic trouble codes (DTCs), the check engine light, battery voltage, coolant temperature, driving data, maintenance history, and car expenses all in one place. Connect an OBD2-compatible adapter such as an ELM327 to view your vehicle's sensor data and get easy-to-understand vehicle reports. KEY FEATURES ■ AI Vehicle Health Diagnosis · Overall vehicle health score · Analysis of possible causes of problems · Plain-language explanations of trouble codes (DTCs) · Guidance on whether the vehicle is safe to drive · AI vehicle health report ■ Real-Time OBD Data · Engine RPM · Coolant temperature · Battery voltage · Fuel status · Vehicle speed · Various sensor readings ■ Maintenance History · Engine oil changes · Parts replacement history · Vehicle inspection history · Maintenance cost tracking ■ Receipt-Scanning Car Log Take a photo of a receipt and AI reads it for you, automatically recognizing · Repair and service receipts · Fuel receipts · Car wash receipts and saving them to your vehicle history. Depending on photo conditions and receipt quality, some results may need minor corrections. ■ Cost Analysis · Monthly ownership costs · Fuel cost analysis · Maintenance cost analysis · Vehicle expense statistics ■ Preventive Maintenance · Battery replacement timing · Spark plug inspection timing · Estimated parts replacement · Alerts for warning signs ■ Please Note · Real-time data and AI diagnostics require an OBD2 adapter connected to your vehicle. · Available data may vary by vehicle make, model, and year. · AI analysis is for reference only and does not replace an inspection by a qualified mechanic. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms of Service: https://yw-proj.github.io/chatcar-legal/terms-en Privacy Policy: https://yw-proj.github.io/chatcar-legal/privacy-en

Screenshots

EzAuth24 screens
ChatCar 챗카 OBD2 차량진단4 screens

Verdict

The call

The clearest difference is update cadence: ChatCar 챗카 OBD2 차량진단 at every 2 weeks against EzAuth2's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

EzAuth2 ships an update every 4 months, ChatCar 챗카 OBD2 차량진단 every 2 weeks. The most recent releases landed on October 14, 2026 and October 15, 2026 respectively.

Scorecard1 real difference · 5 level
EzAuth2 versus ChatCar 챗카 OBD2 차량진단: the parameters behind the verdict, then further details
ParameterEzAuth2ChatCar 챗카 OBD2 차량진단
PriceFreeFree
Update frequencyEvery 4 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size24 MB28 MB
Age rating4+4+
Developer(주) 이지아이앤씨Youngwin Co., Ltd

In-app purchases

None

EzAuth2

No in-app purchases

None

ChatCar 챗카 OBD2 차량진단

No in-app purchases

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 4 months, and ChatCar 챗카 OBD2 차량진단 every 2 weeks. Most recently, EzAuth2 was updated on October 14, 2026 and ChatCar 챗카 OBD2 차량진단 on October 15, 2026.

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