Compare: Carly — OBD2 car scanner vs OBD2 Bluetooth Car Scanner

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Metric	Carly — OBD2 car scanner	OBD2 Bluetooth Car Scanner
User count	1,854,553	1,135,299
Average rating	3.64	4.45
Rating count	33,458	4,639
Last updated	2026-07-08	2025-11-13
Size	143.48 MB	27.78 MB
Version	49.92	6.0.0

Short description	Save money and detect errors with Carly, the versatile OBD2 scanner for diagnostics, maintenance, and customization. Works with most car brands.	Diagnose and monitor your car’s engine health with OBD2 Bluetooth Car Scanner. Scan fault codes, reset errors, and optimize performance easily.
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.	The OBD2 Bluetooth Car Scanner app, coupled with Elm 327 OBD2 Scanner, offers efficient vehicle diagnostics. Scan engine faults, monitor real-time engine data including ECU status and oxygen sensors, and reset dashboard warning lights effortlessly. Compatible with all Elm 327 OBD2 devices, this tool helps you prevent costly repairs by identifying issues early and maintaining optimal car performance. With an easy pairing process via Bluetooth, users can perform comprehensive scans and live monitor vital engine parameters. The app supports fault code cancellation and dashboard error resets, ensuring smooth driving experience. Maximize your car’s life and save time with this essential automotive diagnostic extension!