Comparison

OBDify Car Diagnostic 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

OBDify Car Diagnostic

Features
Read full description

OBDify is a professional diagnostic and programming application for FCA / Mopar vehicles — Jeep, Dodge, RAM and Chrysler. Connect a compatible Bluetooth OBD-II adapter (e.g. ELM327, vLinker MS or OBDLink MX+) for dealer-level access to module information, fault codes, live data, actuator tests and 175+ guided procedures. The app communicates directly with supported control modules and offers clear, structured tools for reading faults, monitoring live data, testing components, editing configurations and following guided service procedures. With its intuitive interface, OBDify is suitable for both drivers and workshops who need fast, reliable access to FCA diagnostics — no laptop, no dealer visit. ---------- PLANS FREE - Read configuration parameters - Read error codes (DTCs) - Shareable diagnostic reports PREMIUM — subscription, unlimited vehicles - Everything in Free - Read & clear error codes - Live data monitoring - Actuator tests - Works on every car you plug into VEHICLE UNLOCK — one-time purchase, one vehicle, no subscription - Everything in Premium, for one vehicle - Edit configuration parameters - Guided service procedures - Configuration backup & restore Choose Premium for core diagnostics across unlimited cars, or unlock the complete app for a single vehicle with a one-time payment — no subscription required. ---------- SUPPORTED VEHICLES OBDify works with OBD-II compatible vehicles, with extended functionality for: Jeep, Dodge, RAM, Chrysler, Alfa Romeo, Fiat, Lancia, Maserati and other FCA-based platforms. For support: contact@obdify.net ---------- SUBSCRIPTION INFORMATION - OBDify Premium is an auto-renewable subscription, available in Monthly and Annual plans - A free trial is available with each plan - The exact price and trial length are shown in the app, in your local currency, before you confirm - Subscription automatically renews unless cancelled at least 24 hours before the end of the current period - Manage or cancel anytime in your device Account Settings - Vehicle Unlock is a one-time purchase, not a subscription Privacy Policy: https://obdify.net/privacy/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Vehicle Use Terms: https://obdify.net/terms/

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

OBDify Car Diagnostic4 screens
ChatCar 챗카 OBD2 차량진단4 screens

Verdict

The call

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.

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. OBDify Car Diagnostic sells 6 in-app purchases, starting at $4.99 per month. ChatCar 챗카 OBD2 차량진단 asks for nothing beyond the download.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 4 level
OBDify Car Diagnostic versus ChatCar 챗카 OBD2 차량진단: the parameters behind the verdict, then further details
ParameterOBDify Car DiagnosticChatCar 챗카 OBD2 차량진단
PriceFreeFree
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size64 MB28 MB
Age rating4+4+
DeveloperOBDifyYoungwin Co., Ltd

In-app purchases

6 purchases

OBDify Car Diagnostic

Subscriptions2
  • OBDify Premium (Monthly)7 Days trial$4.991 Month
  • OBDify Premium (Annual)14 Days trial$47.991 Year
One-time4
  • Unlock 1 VIN$19.99
  • Unlock 3 VINs$49.99
  • Unlock 10 VINs$119.99
Show 1 more
  • Unlock 25 VINs$199.99
None

ChatCar 챗카 OBD2 차량진단

No in-app purchases

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.

Other comparisons