Hhobd Advanced App //free\\ Link

Go into Settings → Adapter Type → Choose "Bluetooth" or "BLE" depending on your device. And check the app’s compatibility list for your car model first.

I’ve been using the for a few weeks with a generic ELM327 Bluetooth adapter on my 2012 Toyota. Here’s my honest take. hhobd advanced app

Title: Surprisingly capable for a free app – great for hobbyists Go into Settings → Adapter Type → Choose

If you have an Android phone, a $10–15 Bluetooth OBD2 adapter, and some patience to learn the menus, HHOBD Advanced is a solid free tool. For the price (free), it outperforms many paid apps in raw data access. Just don’t expect polish. a $10–15 Bluetooth OBD2 adapter