Compare: Carly — OBD2 car scanner vs Carista OBD2

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Metric	Carly — OBD2 car scanner	Carista OBD2
User count	1,854,553	2,033,691
Average rating	3.64	3.83
Rating count	33,458	20,193
Last updated	2026-07-08	2026-06-30
Size	143.48 MB	76.75 MB
Version	49.92	9.8.7

Short description	Save money and detect errors with Carly, the versatile OBD2 scanner for diagnostics, maintenance, and customization. Works with most car brands.	Use Carista OBD2 Chrome extension to diagnose fault codes, customize features, monitor live data, and perform DIY car service quickly and affordably.
Full summary	Carly — OBD2 Car Scanner provides a comprehensive car diagnostic solution that empowers drivers to save money and maintain their vehicles efficiently. Connect the Carly Universal Scanner via your car's OBD2 port and access advanced diagnostics, live engine data, and expert repair guides through the app. It supports a wide range of car brands including Audi, BMW, Mercedes, Toyota, VW, and more. With Carly, you can read and clear fault codes from multiple electronic control units, monitor your engine's live data, perform maintenance tasks independent of workshops, and unlock hidden manufacturer features. Additionally, the tool helps detect mileage manipulation, keeps track of battery health, and offers step-by-step service guidance. The extension offers both free basic features and premium yearly subscription packages for advanced functionalities, making car care accessible and personalized for every user.	Carista OBD2 is a comprehensive Chrome extension that transforms your device into a powerful DIY car mechanic tool. It allows users to diagnose fault codes, reset dashboard warning lights, monitor live vehicle data, and perform simple maintenance tasks without expensive workshop visits. With support for a wide range of popular car makes including Audi, BMW, Ford, Lexus, Toyota, Volkswagen, and more, Carista offers personalized customization options such as unlocking hidden car features, adjusting comfort settings, and tailoring your vehicle's behavior to your preferences. Featuring advanced diagnostics capabilities, Carista provides dealer-level fault code checking across multiple vehicle modules including ABS and airbags. Users can also perform service procedures like electronic parking brake retraction, tire pressure sensor resets, and diesel particulate filter regeneration. Live data monitoring gives real-time insights into engine performance and car health. The extension pairs seamlessly with Carista's proprietary hardware or compatible OBD2 adapters, delivering unmatched convenience and control for car enthusiasts and everyday drivers alike.