OBD2 Cat: Car Scanner
ELM327 Check Engine Live Data
About
This app reads diagnostic trouble codes and live vehicle data from compatible cars using a Bluetooth OBD2 adapter. It helps drivers understand dashboard warnings by checking engine codes, viewing sensor data, and retrieving vehicle identification information.
What's New in OBD2 Cat
0.5.1
October 8, 2026
Live Metrics now appear in a consistent order, making key readings easier to find.
FAQ
What is OBD2 Cat?
OBD2 Cat is a free Bluetooth OBD2 car scanner app for iPhone that allows you to read diagnostic trouble codes, view live vehicle data, and check key vehicle details. It is designed for drivers seeking a simple overview of their car's status.
Does OBD2 Cat have ads?
No, OBD2 Cat does not contain advertisements. It is a completely ad-free application, allowing for an uninterrupted user experience.
What devices does OBD2 Cat support?
OBD2 Cat is currently supported on iPhone devices. It requires a compatible Bluetooth OBD2 adapter to function.
How often is OBD2 Cat updated?
The latest version of OBD2 Cat is 0.5.1, and it was last updated on October 8, 2026. This indicates recent development and ongoing support for the application.
What is the age rating for OBD2 Cat?
OBD2 Cat has an age rating of 4+, making it suitable for a wide range of users. This rating suggests that the content within the app is appropriate for children and adults.
Can OBD2 Cat fix car problems?
OBD2 Cat can read and clear supported trouble codes, but it does not repair the underlying issue. If a warning light returns, it indicates the fault persists and the vehicle should be inspected by a qualified technician.
What kind of OBD2 adapter is needed for OBD2 Cat?
You need a Bluetooth OBD2 adapter compatible with your iPhone and vehicle. If you are using an ELM327-style adapter, ensure it supports Bluetooth Low Energy (BLE) for optimal performance with OBD2 Cat.
What user sentiment is available for OBD2 Cat?
OBD2 Cat has a perfect rating of 5.0 stars from 1 rating, indicating very positive initial user feedback. This suggests users find the app effective and easy to use.
