5 stars: Used this with a generic OBD scanner to reset a service inspection light on my Audi A4 B9. The garage that did the service did not have the right tools to reset the light, and other garages wouldn't reset it as they didn't do the work. I did have to pay the £9.99 month subscription as a one off, but it was well worth it in my situation. Plus the app let me check it could actually do the reset before asking me to pay.
5 stars: Needed to reset an airbag light on my 2010 VW GTI after working on the window regulator. Tried several other apps with my OBDII adapter, and none of them could reset or even read the airbag fault. Tried this app, it worked with my existing adapter and reset the light within a few seconds.
4 stars: It was confusing at first to use. Nothing work except to read. Once I was in contact with support, it work after the full subscription was pay. I was able to reset a few thing on the wife car. Also found things the car did not have some option. In all, I have to say, it did save us money than going to the dealer. I recommend Carista has to post on their site to on full pay subscription will grant all option. Thanks again for the support.
3 stars: Latest updates made app less functional! Why would you make separate folders for each issue, is beyond me. Now every single item you have to open separatelly, and reset separatelly, and there is no way to make a screenshot of errors. WHY?? Edit June 22 2020 -yes, UI is less functional now. Its just...